{"id":128505,"date":"2026-06-16T06:15:00","date_gmt":"2026-06-16T04:15:00","guid":{"rendered":"https:\/\/wypiekibeaty.com.pl\/rhubarb-square-cake\/"},"modified":"2026-06-16T10:42:22","modified_gmt":"2026-06-16T08:42:22","slug":"rhubarb-square-cake","status":"publish","type":"post","link":"https:\/\/wypiekibeaty.com.pl\/en\/rhubarb-square-cake\/","title":{"rendered":"Rhubarb Square Cake"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1.jpg\" alt=\"quick recipe for rhubarb square cake with a lot of rhubarb\" class=\"wp-image-127998\" title=\"photo showing creamed rhubarb cake sprinkled with powdered sugar\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1-600x400.jpg 600w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1-800x533.jpg 800w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-1.jpg 1200w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"przepis-na-proste-ucierane-ciasto-z-rabarbarem\">Recipe for simple creamed rhubarb cake <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you&#8217;re looking for a light, fluffy, and flavorful cake that&#8217;s perfect for rhubarb season, then you absolutely must try this recipe for <strong>rhubarb square cake<\/strong>. This exceptionally delicate <strong>creamed rhubarb cake<\/strong> delights with its simplicity, soft interior, and a generous amount of slightly tart rhubarb pieces embedded in fluffy cake. <strong>Rhubarb cake<\/strong> is one of those classic homemade bakes that are associated with spring, summer, and the smell of freshly baked cake wafting through the entire house. Rhubarb square cake is very easy to prepare, doesn&#8217;t require complicated ingredients, and thanks to the large amount of rhubarb, it remains pleasantly moist and full of aroma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This <strong>simple rhubarb cake recipe<\/strong> will be perfect for a weekend coffee gathering, a family dessert, or just an ordinary day when you fancy something homemade and delicious. It&#8217;s a light cake that you can prepare without much effort, and its taste will surely delight all lovers of seasonal baked goods. Be sure to try my version of <strong>rhubarb square cake<\/strong> \u2013 fluffy, delicate, and full of rhubarb flavor. It&#8217;s an excellent way to use fresh rhubarb and prepare a unique homemade cake for spring and summer.<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h6>Table of contents<\/h6><nav><ul><li class=\"\"><a href=\"#ciasto-kostka-rabarbarowa-przepis-krok-po-kroku\">Rhubarb Square Cake recipe step by step<\/a><\/li><li class=\"\"><a href=\"#dlaczego-warto-upiec-ciasto-kostka-rabarbarowa\">Why bake rhubarb square cake?<\/a><\/li><li class=\"\"><a href=\"#jakie-skladniki-sa-niezbedne-do-upieczenia-ucieranego-ciasta-z-rabarbarem\">What ingredients are essential for baking creamed rhubarb cake?<\/a><ul><li class=\"\"><a href=\"#czy-do-tego-przepisu-mozna-dodac-inne-owoce\">Can other fruits be added to this recipe?<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#najczestsze-pytania-faq\">Frequently Asked Questions &#8211; FAQ<\/a><ul><li class=\"\"><a href=\"#faq-question-1781449515450\">Does rhubarb need to be peeled before adding to the cake?<\/a><\/li><li class=\"\"><a href=\"#faq-question-1781449566764\">How to store rhubarb cake?<\/a><\/li><li class=\"\"><a href=\"#faq-question-1781449667662\">Can rhubarb cake be frozen?<\/a><\/li><li class=\"\"><a href=\"#faq-question-1781449692179\">How to check if the rhubarb cake is baked?<\/a><\/li><li class=\"\"><a href=\"#faq-question-1781450239459\">How to make icing for rhubarb cake?<\/a><\/li><li class=\"\"><a href=\"#faq-question-1781451403657\">How many calories are in one serving of cake?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-2-400x600.jpg\" alt=\"creamed butter cake with a lot of rhubarb\" class=\"wp-image-127999\" title=\"recipe for quick creamed and light cake baked with rhubarb pieces\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-2-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-2-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-2-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-2.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"ciasto-kostka-rabarbarowa-przepis-krok-po-kroku\">Rhubarb Square Cake recipe step by step<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">If you like simple and quick creamed butter cakes baked with tart rhubarb, then you absolutely must try this recipe and save it for later!<\/p>\n\n\n<div id=\"przepis\"><\/div><div id=\"wprm-recipe-container-128508\" class=\"wprm-recipe-container\" data-recipe-id=\"128508\" data-servings=\"16\"><div class=\"wprm-recipe wprm-recipe-template-test\"><div class=\"wprm-container-float-right\">\n    <div class=\"wprm-recipe-image wprm-block-image-normal\"><img decoding=\"async\" style=\"border-width: 0px;border-style: solid;border-color: #666666;\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9-400x600.jpg\" class=\"attachment-fusion-400 size-fusion-400\" alt=\"simple and quick creamed cake baked with rhubarb\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" title=\"\"><\/div>\n\n\n<\/div>\n<h2 class=\"wprm-recipe-name wprm-block-text-bold\">Rhubarb square cake recipe with video<\/h2>\n<div class=\"wprm-spacer\"><\/div>\n<span class=\"wprm-recipe-details wprm-recipe-author wprm-block-text-light\"><a href=\"https:\/\/wypiekibeaty.com.pl\/o-mnie\/\" target=\"_blank\">Wypieki Beaty<\/a><\/span>\n<div class=\"wprm-spacer\"><\/div>\n<div class=\"wprm-recipe-summary wprm-block-text-normal\"><span style=\"display: block;\">Looking for a simple rhubarb cake? Try this light and fluffy rhubarb square. Recipe with photos and preparation video.<\/span><\/div>\n<div class=\"wprm-spacer\"><\/div>\n<style>#wprm-recipe-user-rating-0 .wprm-rating-star.wprm-rating-star-full svg * { fill: #eb7683; }#wprm-recipe-user-rating-0 .wprm-rating-star.wprm-rating-star-33 svg * { fill: url(#wprm-recipe-user-rating-0-33); }#wprm-recipe-user-rating-0 .wprm-rating-star.wprm-rating-star-50 svg * { fill: url(#wprm-recipe-user-rating-0-50); }#wprm-recipe-user-rating-0 .wprm-rating-star.wprm-rating-star-66 svg * { fill: url(#wprm-recipe-user-rating-0-66); }linearGradient#wprm-recipe-user-rating-0-33 stop { stop-color: #eb7683; }linearGradient#wprm-recipe-user-rating-0-50 stop { stop-color: #eb7683; }linearGradient#wprm-recipe-user-rating-0-66 stop { stop-color: #eb7683; }<\/style><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"0\" height=\"0\" style=\"display:block;width:0px;height:0px\"><defs><linearGradient id=\"wprm-recipe-user-rating-0-33\"><stop offset=\"0%\" stop-opacity=\"1\" \/><stop 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wprm-recipe-link wprm-block-text-normal wprm-recipe-facebook-share-wide-button wprm-recipe-link-wide-button wprm-color-accent\" target=\"_blank\" rel=\"nofollow noopener\"><span class=\"wprm-recipe-icon wprm-recipe-facebook-share-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\"><g class=\"nc-icon-wrapper\" fill=\"#ffffff\"><path fill=\"#ffffff\" d=\"M22,0H2C0.895,0,0,0.895,0,2v20c0,1.105,0.895,2,2,2h11v-9h-3v-4h3V8.413c0-3.1,1.893-4.788,4.659-4.788 c1.325,0,2.463,0.099,2.795,0.143v3.24l-1.918,0.001c-1.504,0-1.795,0.715-1.795,1.763V11h4.44l-1,4h-3.44v9H22c1.105,0,2-0.895,2-2 V2C24,0.895,23.105,0,22,0z\"><\/path><\/g><\/svg><\/span> Udost\u0119pnij<\/a>\n\t<a href=\"https:\/\/wypiekibeaty.com.pl\/en\/wprm_print\/rhubarb-square-cake-recipe-with-video\" style=\"color: #000000;background-color: #ffffff;border-color: #5A822B;border-radius: 5px;padding: 10px 5px;\" class=\"wprm-recipe-print wprm-recipe-link wprm-print-recipe-shortcode wprm-block-text-normal wprm-recipe-print-wide-button wprm-recipe-link-wide-button wprm-color-accent\" data-recipe-id=\"128508\" data-template=\"\" target=\"_blank\" rel=\"nofollow\"><span class=\"wprm-recipe-icon wprm-recipe-print-icon\"><svg width=\"16px\" height=\"16px\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g fill=\"#000000\"><g><path d=\"M17.5454,0.0005 C18.2904,0.0005 18.9004,0.6105 18.9004,1.3565 L18.9004,1.3565 L18.9004,4.9445 L21.9904,4.9445 C23.0954,4.9445 24.0004,5.8485 24.0004,6.9535 L24.0004,6.9535 L24.0004,17.2415 C24.0004,18.3465 23.0954,19.2505 21.9904,19.2505 L21.9904,19.2505 L19.8414,19.2505 L19.8414,22.2795 C19.8414,23.1725 19.1104,23.9035 18.2174,23.9035 L18.2174,23.9035 L5.7834,23.9035 C4.8894,23.9035 4.1594,23.1725 4.1594,22.2795 L4.1594,22.2795 L4.1594,19.2505 L2.0104,19.2505 C0.9044,19.2505 0.0004,18.3465 0.0004,17.2415 L0.0004,17.2415 L0.0004,6.9535 C0.0004,5.8485 0.9044,4.9445 2.0104,4.9445 L2.0104,4.9445 L5.0984,4.9445 L5.0984,1.3565 C5.0984,0.6105 5.7094,0.0005 6.4554,0.0005 L6.4554,0.0005 Z M17.8414,15.5975 L6.1594,15.5975 L6.1594,21.9035 L17.8414,21.9035 L17.8414,15.5975 Z M21.9904,6.9445 L2.0104,6.9445 L2.0004,17.2415 L4.1594,17.2425 L4.1594,15.2215 C4.1594,14.3285 4.8894,13.5975 5.7834,13.5975 L5.7834,13.5975 L18.2174,13.5975 C19.1104,13.5975 19.8414,14.3285 19.8414,15.2215 L19.8414,15.2215 L19.8414,17.2495 L21.9904,17.2505 L22.0004,6.9535 L21.9904,6.9445 Z M6.1632,9.1318 C6.7902,9.1318 7.2992,9.6408 7.2992,10.2678 C7.2992,10.8948 6.7902,11.4028 6.1632,11.4028 L6.1632,11.4028 L5.0992,11.4028 C4.4722,11.4028 3.9632,10.8948 3.9632,10.2678 C3.9632,9.6408 4.4722,9.1318 5.0992,9.1318 L5.0992,9.1318 Z M16.6304,2.2715 L7.3704,2.2715 L7.3704,4.6845 L16.6304,4.6845 L16.6304,2.2715 Z\"><\/path><\/g><\/g><\/g><\/svg><\/span> Drukuj<\/a>\n\t\n<\/div>\n\n<div class=\"wprm-spacer\"><\/div>\n<div class=\"wprm-spacer\" style=\"height: 20px;\"><\/div>\n<div class=\"wprm-icon-shortcode wprm-icon-shortcode-separate wprm-align-center wprm-icon-decoration-line\" style=\"font-size: 24px;height: 24px;\"><div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><span class=\"wprm-recipe-icon\" aria-hidden=\"true\"><svg width=\"16px\" height=\"16px\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g fill=\"#eb7683\"><g><path d=\"M12,0 C18.627,0 24,4.373 24,11 C24,19.406 18.646,24 18.646,24 L18.646,24 L5.354,24 C5.354,24 0,19.406 0,11 C0,4.373 5.373,0 12,0 Z M12,2 C6.206,2 2,5.785 2,11 C2,16.956 4.962,20.716 6.168,22 L6.168,22 L17.832,22 C19.032,20.724 22,16.962 22,11 C22,5.785 17.794,2 12,2 Z M15.4175,17.7983 C15.9697847,17.7983 16.4175,18.2460153 16.4175,18.7983 C16.4175,19.3111358 16.0314598,19.7338072 15.5341211,19.7915723 L15.4175,19.7983 L8.5825,19.7983 C8.03021525,19.7983 7.5825,19.3505847 7.5825,18.7983 C7.5825,18.2854642 7.96854019,17.8627928 8.46587887,17.8050277 L8.5825,17.7983 L15.4175,17.7983 Z M12,4.2544 C15.173,4.2544 17.746,6.8264 17.746,10.0004 C17.746,13.1734 15.173,15.7454 12,15.7454 C8.827,15.7454 6.254,13.1734 6.254,10.0004 C6.254,6.8264 8.827,4.2544 12,4.2544 Z M10.9999773,6.38993761 C9.41864646,6.82850486 8.254,8.28073633 8.254,10.0004 C8.254,12.0654 9.935,13.7454 12,13.7454 C14.065,13.7454 15.746,12.0654 15.746,10.0004 C15.746,8.28110051 14.5818468,6.82911997 13.0010273,6.39021638 L13,9.2962 C13,9.84848475 12.5522847,10.2962 12,10.2962 C11.4871642,10.2962 11.0644928,9.91015981 11.0067277,9.41282113 L11,9.2962 Z\"><\/path><\/g><\/g><\/g><\/svg><\/span> <div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/div>\n<div class=\"wprm-recipe-meta-container wprm-recipe-times-container wprm-recipe-details-container wprm-recipe-details-container-table wprm-block-text-normal wprm-recipe-table-borders-none wprm-recipe-table-borders-inside\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-time-container wprm-recipe-prep-time-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-faded wprm-recipe-time-label wprm-recipe-prep-time-label\">Prep Time <\/span><span class=\"wprm-recipe-time wprm-block-text-normal\"><span class=\"wprm-recipe-details wprm-recipe-details-minutes wprm-recipe-prep_time wprm-recipe-prep_time-minutes\">30<span class=\"sr-only screen-reader-text wprm-screen-reader-text\"> minutes<\/span><\/span> <span class=\"wprm-recipe-details-unit wprm-recipe-details-minutes wprm-recipe-prep_time-unit wprm-recipe-prep_timeunit-minutes\" aria-hidden=\"true\">mins<\/span><\/span><\/div><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-time-container wprm-recipe-cook-time-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-faded wprm-recipe-time-label wprm-recipe-cook-time-label\">Cook Time <\/span><span class=\"wprm-recipe-time wprm-block-text-normal\"><span class=\"wprm-recipe-details wprm-recipe-details-minutes wprm-recipe-cook_time wprm-recipe-cook_time-minutes\">45<span class=\"sr-only screen-reader-text wprm-screen-reader-text\"> minutes<\/span><\/span> <span class=\"wprm-recipe-details-unit wprm-recipe-details-minutes wprm-recipe-cook_time-unit wprm-recipe-cook_timeunit-minutes\" aria-hidden=\"true\">mins<\/span><\/span><\/div><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-time-container wprm-recipe-total-time-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-faded wprm-recipe-time-label wprm-recipe-total-time-label\">Total Time <\/span><span class=\"wprm-recipe-time wprm-block-text-normal\"><span class=\"wprm-recipe-details wprm-recipe-details-hours wprm-recipe-total_time wprm-recipe-total_time-hours\">1<span class=\"sr-only screen-reader-text wprm-screen-reader-text\"> hour<\/span><\/span> <span class=\"wprm-recipe-details-unit wprm-recipe-details-unit-hours wprm-recipe-total_time-unit wprm-recipe-total_timeunit-hours\" aria-hidden=\"true\">hr<\/span> <span class=\"wprm-recipe-details wprm-recipe-details-minutes wprm-recipe-total_time wprm-recipe-total_time-minutes\">15<span class=\"sr-only screen-reader-text wprm-screen-reader-text\"> minutes<\/span><\/span> <span class=\"wprm-recipe-details-unit wprm-recipe-details-minutes wprm-recipe-total_time-unit wprm-recipe-total_timeunit-minutes\" aria-hidden=\"true\">mins<\/span><\/span><\/div><\/div>\n<div class=\"wprm-spacer\"><\/div>\n<div class=\"wprm-container-columns-spaced\">\n\t<div>\n    \t<div class=\"wprm-icon-shortcode wprm-icon-shortcode-separate wprm-align-center wprm-icon-decoration-line\" style=\"font-size: 24px;height: 24px;\"><div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><span class=\"wprm-recipe-icon\" aria-hidden=\"true\"><svg width=\"16px\" height=\"16px\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g fill=\"#eb7683\"><path d=\"M19.5441,12.0586 L17.8411,12.3146 L17.8411,14.0376 L17.8411,17.8606 L6.1591,17.8606 L6.1591,14.0376 L6.1591,12.3146 L4.4561,12.0586 C3.0331,11.8446 2.0001,10.6536 2.0001,9.2246 C2.0001,7.6626 3.2471,6.3876 4.7971,6.3406 C4.8651,6.3486 4.9351,6.3556 5.0051,6.3576 L6.3221,6.4136 L6.8931,5.2246 C7.8481,3.2356 9.8051,1.9996 12.0001,1.9996 C14.1951,1.9996 16.1521,3.2356 17.1071,5.2246 L17.6781,6.4136 L18.9951,6.3576 C19.0641,6.3556 19.1321,6.3486 19.2021,6.3406 C20.7531,6.3866 22.0001,7.6626 22.0001,9.2246 C22.0001,10.6536 20.9671,11.8446 19.5441,12.0586 L19.5441,12.0586 Z M6.1591,22.0006 L17.8411,22.0006 L17.8411,19.8606 L6.1591,19.8606 L6.1591,22.0006 Z M19.1141,4.3386 C19.0451,4.3386 18.9801,4.3566 18.9101,4.3596 C17.6741,1.7836 15.0491,-0.0004 12.0001,-0.0004 C8.9511,-0.0004 6.3261,1.7836 5.0901,4.3596 C5.0211,4.3566 4.9551,4.3386 4.8861,4.3386 C2.1881,4.3386 0.0001,6.5266 0.0001,9.2246 C0.0001,11.6736 1.8081,13.6836 4.1591,14.0376 L4.1591,22.3756 C4.1591,23.2696 4.8901,23.9996 5.7831,23.9996 L18.2171,23.9996 C19.1101,23.9996 19.8411,23.2696 19.8411,22.3756 L19.8411,14.0376 C22.1911,13.6836 24.0001,11.6736 24.0001,9.2246 C24.0001,6.5266 21.8131,4.3386 19.1141,4.3386 L19.1141,4.3386 Z\" id=\"Fill-1\"><\/path><\/g><\/g><\/svg><\/span> <div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/div>\n\t\t<div class=\"wprm-recipe-meta-container wprm-recipe-custom-container wprm-recipe-details-container wprm-recipe-details-container-table wprm-block-text-normal wprm-recipe-table-borders-none wprm-recipe-table-borders-inside\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-tag-container wprm-recipe-course-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-uppercase-faded wprm-recipe-tag-label wprm-recipe-course-label\">Course <\/span><span class=\"wprm-recipe-course wprm-block-text-normal\">Cakes<\/span><\/div><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-tag-container wprm-recipe-cuisine-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-uppercase-faded wprm-recipe-tag-label wprm-recipe-cuisine-label\">Kuchnia <\/span><span class=\"wprm-recipe-cuisine wprm-block-text-normal\">American cuisine, Polish cuisine<\/span><\/div><\/div>\n    <\/div>\n    <div>\n        <div class=\"wprm-icon-shortcode wprm-icon-shortcode-separate wprm-align-center wprm-icon-decoration-line\" style=\"font-size: 24px;height: 24px;\"><div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><span class=\"wprm-recipe-icon\" aria-hidden=\"true\"><svg width=\"16px\" height=\"16px\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g fill=\"#eb7683\"><path d=\"M15.9199,4.9443 L18.1399,2.7243 C18.5509,2.3133 19.0909,2.1083 19.6299,2.1083 C20.1699,2.1083 20.7099,2.3133 21.1209,2.7243 C21.9429,3.5473 21.9419,4.8843 21.1209,5.7073 L18.9019,7.9253 C18.0799,8.7483 16.7419,8.7483 15.9199,7.9253 C15.0979,7.1033 15.0979,5.7663 15.9199,4.9443 M23.5529,22.1383 L13.3369,11.9233 L15.3109,9.9493 C15.9559,10.3353 16.6809,10.5413 17.4109,10.5413 C18.4629,10.5413 19.5159,10.1403 20.3159,9.3403 L22.5349,7.1213 C24.1369,5.5183 24.1369,2.9123 22.5349,1.3103 C21.7599,0.5343 20.7279,0.1073 19.6299,0.1073 C18.5329,0.1073 17.5019,0.5343 16.7259,1.3103 L14.5059,3.5303 C13.7299,4.3063 13.3029,5.3383 13.3029,6.4343 C13.3029,7.1883 13.5179,7.9053 13.8959,8.5363 L11.9229,10.5083 L9.9489,8.5353 C10.8909,6.9593 10.6959,4.8863 9.3399,3.5303 L6.1039,0.2933 C5.7129,-0.0977 5.0799,-0.0977 4.6899,0.2933 C4.2989,0.6833 4.2989,1.3163 4.6899,1.7073 L7.9259,4.9443 C8.4909,5.5093 8.6579,6.3153 8.4459,7.0323 L3.6539,2.2403 C3.2639,1.8493 2.6309,1.8493 2.2399,2.2403 C1.8499,2.6313 1.8499,3.2633 2.2399,3.6543 L7.0319,8.4463 C6.3149,8.6583 5.5089,8.4913 4.9429,7.9253 L1.7069,4.6893 C1.3159,4.2983 0.6839,4.2983 0.2929,4.6893 C-0.0981,5.0803 -0.0981,5.7133 0.2929,6.1033 L3.5289,9.3403 C4.3309,10.1403 5.3829,10.5413 6.4349,10.5413 C7.1649,10.5413 7.8899,10.3353 8.5349,9.9493 L10.5089,11.9233 L0.2929,22.1383 C-0.0981,22.5293 -0.0981,23.1623 0.2929,23.5523 C0.4879,23.7483 0.7439,23.8453 0.9999,23.8453 C1.2559,23.8453 1.5119,23.7483 1.7069,23.5523 L11.9229,13.3373 L22.1389,23.5523 C22.3339,23.7483 22.5899,23.8453 22.8459,23.8453 C23.1019,23.8453 23.3569,23.7483 23.5529,23.5523 C23.9429,23.1623 23.9429,22.5293 23.5529,22.1383\"><\/path><\/g><\/g><\/svg><\/span> <div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/div>\n\t\t<div class=\"wprm-recipe-meta-container wprm-recipe-custom-container wprm-recipe-details-container wprm-recipe-details-container-table wprm-block-text-normal wprm-recipe-table-borders-none wprm-recipe-table-borders-inside\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-servings-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-uppercase-faded wprm-recipe-servings-label\">Servings <\/span><span class=\"wprm-recipe-servings wprm-recipe-details wprm-recipe-servings-128508 wprm-recipe-servings-adjustable-disabled wprm-block-text-normal\" data-recipe=\"128508\" aria-label=\"Adjust recipe servings\">16<\/span><\/div><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-nutrition-container wprm-recipe-calories-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-uppercase-faded wprm-recipe-nutrition-label wprm-recipe-calories-label\">Calories <\/span><span class=\"wprm-recipe-nutrition-with-unit\"><span class=\"wprm-recipe-details wprm-recipe-nutrition wprm-recipe-calories wprm-block-text-normal\">246<\/span> <span class=\"wprm-recipe-details-unit wprm-recipe-nutrition-unit wprm-recipe-calories-unit wprm-block-text-normal\">kcal<\/span><\/span><\/div><\/div>\n    <\/div>\n<\/div>\n<div id=\"recipe-128508-equipment\" class=\"wprm-recipe-equipment-container wprm-block-text-normal\" data-recipe=\"128508\"><h5 class=\"wprm-recipe-header wprm-recipe-equipment-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Wyposa\u017cenie<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-spacer\" style=\"height: 22px;\"><\/div><ul class=\"wprm-recipe-equipment wprm-recipe-equipment-list\"><li class=\"wprm-recipe-equipment-item\" style=\"list-style-type: disc;\"><div class=\"wprm-recipe-equipment-name\">Baking pan approximately 22\/22 cm.<\/div><\/li><\/ul><\/div>\n<div class=\"wprm-spacer\"><\/div>\n<div class=\"wprm-prevent-sleep wprm-toggle-switch-container\" style=\"display:none;\"><label id=\"wprm-toggle-switch-3503408206\" class=\"wprm-toggle-switch wprm-toggle-switch-rounded wprm-toggle-switch-outside\"><input type=\"checkbox\" id=\"wprm-prevent-sleep-checkbox-3503408206\" class=\"wprm-prevent-sleep-checkbox\" \/><span class=\"wprm-toggle-switch-slider\" style=\"--switch-height: 20px;--switch-off-color: #ff001f;--switch-on-color: #7ed321;\"><\/span><span class=\"wprm-toggle-switch-label wprm-prevent-sleep-label wprm-block-text-bold\">Nie blokuj ekranu<\/span><\/label><span class=\"wprm-prevent-sleep-description wprm-block-text-light\"> (Ekran pozostanie w\u0142\u0105czony)<\/span><\/div>\n\n<div id=\"recipe-128508-ingredients\" class=\"wprm-recipe-ingredients-container wprm-recipe-ingredients-no-images wprm-recipe-128508-ingredients-container wprm-block-text-normal wprm-ingredient-style-regular wprm-recipe-images-before\" data-recipe=\"128508\" data-servings=\"16\"><h5 class=\"wprm-recipe-header wprm-recipe-ingredients-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Sk\u0142adniki<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-recipe-ingredient-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-ingredient-group-name wprm-block-text-faded\">Ingredients for creamed cake <\/h3><ul class=\"wprm-recipe-ingredients\"><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"1\"><span class=\"wprm-recipe-ingredient-amount\">225<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">g<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">butter<\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(soft &#8211; at room temperature)<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"2\"><span class=\"wprm-recipe-ingredient-amount\">150<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">g<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">powdered sugar<\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(1 cup)<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"3\"><span class=\"wprm-recipe-ingredient-amount\">2<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">eggs<\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(size L &#8211; at room temperature)<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"4\"><span class=\"wprm-recipe-ingredient-amount\">450<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">g<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">wheat flour &#8211; all-purpose<\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(3 cups)<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"5\"><span class=\"wprm-recipe-ingredient-amount\">2<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">teaspoons<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">baking powder<\/span><\/li><\/ul><\/div><div class=\"wprm-recipe-ingredient-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-ingredient-group-name wprm-block-text-faded\">Ingredients for rhubarb filling<\/h3><ul class=\"wprm-recipe-ingredients\"><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"7\"><span class=\"wprm-recipe-ingredient-amount\">approx 1<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">kg<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">rhubarb<\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(805 g for me after trimming the ends)<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"8\"><span class=\"wprm-recipe-ingredient-amount\">2<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">tablespoons<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">potato starch<\/span><\/li><li class=\"wprm-recipe-ingredient\" style=\"list-style-type: disc;\" data-uid=\"9\"><span class=\"wprm-recipe-ingredient-amount\">80<\/span>&#32;<span class=\"wprm-recipe-ingredient-unit\">g<\/span>&#32;<span class=\"wprm-recipe-ingredient-name\">sugar <\/span>&#32;<span class=\"wprm-recipe-ingredient-notes wprm-recipe-ingredient-notes-faded\">(slightly over \u2153 cup)<\/span><\/li><\/ul><\/div><\/div>\n<div id=\"recipe-128508-instructions\" class=\"wprm-recipe-instructions-container wprm-recipe-128508-instructions-container wprm-block-text-normal\" data-recipe=\"128508\"><h5 class=\"wprm-recipe-header wprm-recipe-instructions-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line wprm-header-has-actions\" style=\"\">Instrukcja<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div>&nbsp;<div class=\"wprm-recipe-media-toggle-container wprm-toggle-container wprm-toggle-buttons-container wprm-block-text-normal\" style=\"background-color: #ffffff;border-color: #eb7683;color: #eb7683;border-radius: 3px;\"><button class=\"wprm-recipe-media-toggle wprm-toggle wprm-toggle-active\" data-state=\"on\" data-recipe=\"128508\" style=\"background-color: #eb7683;color: #ffffff;\" aria-label=\"Show instruction media\"><span class=\"wprm-recipe-icon wprm-toggle-icon wprm-toggle-icon-active\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\"><g class=\"nc-icon-wrapper\" stroke-linecap=\"square\" stroke-linejoin=\"miter\" stroke-width=\"1\" transform=\"translate(0.5 0.5)\" fill=\"#ffffff\" stroke=\"#ffffff\"><circle data-color=\"color-2\" cx=\"12\" cy=\"13\" r=\"5\" fill=\"none\" stroke-miterlimit=\"10\"\/><path d=\"M21,22H3a2,2,0,0,1-2-2V7A2,2,0,0,1,3,5H7L9,2h6l2,3h4a2,2,0,0,1,2,2V20A2,2,0,0,1,21,22Z\" fill=\"none\" stroke=\"#ffffff\" stroke-miterlimit=\"10\"\/><circle data-color=\"color-2\" data-stroke=\"none\" cx=\"4\" cy=\"8\" r=\"1\" stroke=\"none\"\/><\/g><\/svg><\/span><span class=\"wprm-recipe-icon wprm-toggle-icon wprm-toggle-icon-inactive\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\"><g class=\"nc-icon-wrapper\" stroke-linecap=\"square\" stroke-linejoin=\"miter\" stroke-width=\"1\" transform=\"translate(0.5 0.5)\" fill=\"#eb7683\" stroke=\"#eb7683\"><circle data-color=\"color-2\" cx=\"12\" cy=\"13\" r=\"5\" fill=\"none\" stroke-miterlimit=\"10\"\/><path d=\"M21,22H3a2,2,0,0,1-2-2V7A2,2,0,0,1,3,5H7L9,2h6l2,3h4a2,2,0,0,1,2,2V20A2,2,0,0,1,21,22Z\" fill=\"none\" stroke=\"#eb7683\" stroke-miterlimit=\"10\"\/><circle data-color=\"color-2\" data-stroke=\"none\" cx=\"4\" cy=\"8\" r=\"1\" stroke=\"none\"\/><\/g><\/svg><\/span><\/button><button class=\"wprm-recipe-media-toggle wprm-toggle\" data-state=\"off\" data-recipe=\"128508\" style=\"background-color: #eb7683;color: #ffffff;border-left: 1px solid #eb7683;\" aria-label=\"Hide instruction media\"><span class=\"wprm-recipe-icon wprm-toggle-icon wprm-toggle-icon-active\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\"><g class=\"nc-icon-wrapper\" stroke-linecap=\"square\" stroke-linejoin=\"miter\" stroke-width=\"1\" transform=\"translate(0.5 0.5)\" fill=\"#ffffff\" stroke=\"#ffffff\"><circle data-color=\"color-2\" cx=\"12\" cy=\"12\" r=\"4\" fill=\"none\" stroke-miterlimit=\"10\"\/><path d=\"M22,8v9a2,2,0,0,1-2,2H10\" fill=\"none\" stroke=\"#ffffff\" stroke-miterlimit=\"10\"\/><path data-cap=\"butt\" d=\"M2,17V8A2,2,0,0,1,4,6H7L9,3h6l2.4,3.6\" fill=\"none\" stroke=\"#ffffff\" stroke-miterlimit=\"10\" stroke-linecap=\"butt\"\/><line data-cap=\"butt\" data-color=\"color-2\" x1=\"23\" y1=\"1\" x2=\"1\" y2=\"23\" fill=\"none\" stroke-miterlimit=\"10\" stroke-linecap=\"butt\"\/><\/g><\/svg><\/span><span class=\"wprm-recipe-icon wprm-toggle-icon wprm-toggle-icon-inactive\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 24 24\"><g class=\"nc-icon-wrapper\" stroke-linecap=\"square\" stroke-linejoin=\"miter\" stroke-width=\"1\" transform=\"translate(0.5 0.5)\" fill=\"#eb7683\" stroke=\"#eb7683\"><circle data-color=\"color-2\" cx=\"12\" cy=\"12\" r=\"4\" fill=\"none\" stroke-miterlimit=\"10\"\/><path d=\"M22,8v9a2,2,0,0,1-2,2H10\" fill=\"none\" stroke=\"#eb7683\" stroke-miterlimit=\"10\"\/><path data-cap=\"butt\" d=\"M2,17V8A2,2,0,0,1,4,6H7L9,3h6l2.4,3.6\" fill=\"none\" stroke=\"#eb7683\" stroke-miterlimit=\"10\" stroke-linecap=\"butt\"\/><line data-cap=\"butt\" data-color=\"color-2\" x1=\"23\" y1=\"1\" x2=\"1\" y2=\"23\" fill=\"none\" stroke-miterlimit=\"10\" stroke-linecap=\"butt\"\/><\/g><\/svg><\/span><\/button><\/div><\/h5><div class=\"wprm-recipe-instruction-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-instruction-group-name wprm-block-text-bold\">How to make rhubarb square cake step by step<\/h3><ul class=\"wprm-recipe-instructions\"><\/ul><\/div><div class=\"wprm-recipe-instruction-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-instruction-group-name wprm-block-text-bold\">Step 1 &#8211; preparations<\/h3><ul class=\"wprm-recipe-instructions\"><li id=\"wprm-recipe-128508-step-1-0\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Take out the cake ingredients from the fridge in advance &#8211; especially butter and eggs, so they warm up to room temperature. <\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-1\" data-separator=\", \" data-both-units=\"0\" style=\"margin-bottom: 5px;\">225 g butter, <\/span><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-3\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">2 eggs<\/span><\/div><\/li><li id=\"wprm-recipe-128508-step-1-1\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Line the baking pan with baking paper or grease it with butter and dust with flour. <\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-7.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"przygotowana forma do pieczenia ciasta\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-7-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-7-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-7-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-7.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-1-2\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Wash the rhubarb and cut off the ends from both sides. Cut the rest of the stalk into pieces about 1.5 cm wide. <\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-7\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">approx 1 kg rhubarb<\/span><\/div><\/li><li id=\"wprm-recipe-128508-step-1-3\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Transfer the rhubarb to a bowl and add the remaining ingredients &#8211; mix thoroughly. <\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-8\" data-separator=\", \" data-both-units=\"0\" style=\"margin-bottom: 5px;\">2 tablespoons potato starch, <\/span><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-9\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">80 g sugar <\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-1.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"przygotowanie rabarbaru na nadzienie do ciasta\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-1-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-1-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-1-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-1.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-1-4\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Turn on the oven to top-bottom heating at 180\u2103 or convection at 170\u2103.<\/span><\/div><\/li><\/ul><\/div><div class=\"wprm-recipe-instruction-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-instruction-group-name wprm-block-text-bold\">Step 2 &#8211; preparing the creamed cake dough <\/h3><ul class=\"wprm-recipe-instructions\"><li id=\"wprm-recipe-128508-step-2-0\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Mix together the flour and baking powder. <\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-4\" data-separator=\", \" data-both-units=\"0\" style=\"margin-bottom: 5px;\">450 g wheat flour &#8211; all-purpose, <\/span><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-5\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">2 teaspoons baking powder<\/span><\/div><\/li><li id=\"wprm-recipe-128508-step-2-1\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Transfer butter and sugar to a large bowl &#8211; start beating with a mixer on high speed.<\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-1\" data-separator=\", \" data-both-units=\"0\" style=\"margin-bottom: 5px;\">225 g butter, <\/span><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-2\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">150 g powdered sugar<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-2.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"ucieranie mas\u0142a z cukrem pudrem\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-2-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-2-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-2-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-2.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-2-2\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Beat for about 3 minutes &#8211; until the mixture becomes light and visibly fluffy. <\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-3.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"mas\u0142o utarte z cukrem na puszysto\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-3-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-3-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-3-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-3.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-2-3\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Reduce mixer speed and add one egg at a time and a little flour &#8211; mix briefly on low speed &#8211; just until combined.<\/span><\/div><div class=\"wprm-recipe-instruction-ingredients wprm-recipe-instruction-ingredients-inline wprm-block-text-faded\" style=\"margin-top: -5px; margin-bottom: 5px;\"><span class=\"wprm-recipe-instruction-ingredient wprm-recipe-instruction-ingredient-128508-3\" data-separator=\"\" data-both-units=\"0\" style=\"margin-bottom: 5px;\">2 eggs<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-4.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"dodawanie jajek do utartego mas\u0142a\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-4-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-4-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-4-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-4.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-2-4\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Add the remaining flour in portions and mix briefly.<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-5.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"miksowanie ciasta z m\u0105k\u0105\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-5-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-5-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-5-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-5.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-2-5\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Stop mixing when there are still remnants of flour visible &#8211; then just mix in the dough with a spoon &#8211; the dough will be thick!<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-6.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"mieszanie ciasta \u0142y\u017ck\u0105\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-6-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-6-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-6-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-6.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><\/ul><\/div><div class=\"wprm-recipe-instruction-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-instruction-group-name wprm-block-text-bold\">Step 3 &#8211; layering the cake<\/h3><ul class=\"wprm-recipe-instructions\"><li id=\"wprm-recipe-128508-step-3-0\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Spread about half of the dough evenly on the bottom of the prepared pan.<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-8.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"wyk\u0142adanie ciasta do formy do pieczenia\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-8-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-8-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-8-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-8.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-3-1\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Spread the rhubarb filling over the dough.<\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-9.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"wyk\u0142adanie pokrojonego rabarbaru na ciasto\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-9-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-9-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-9-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-9.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><li id=\"wprm-recipe-128508-step-3-2\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Spoon portions of the remaining dough over the rhubarb, then gently spread it out. <\/span><\/div><div class=\"wprm-recipe-instruction-media wprm-recipe-instruction-image\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-10.jpg\" class=\"attachment-medium_large size-medium_large\" alt=\"wyk\u0142adanie ciasta na wierzch rabarbaru\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-10-200x133.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-10-300x200.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-10-400x267.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-przygotowania-10.jpg 600w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\"><\/div> <\/li><\/ul><\/div><div class=\"wprm-recipe-instruction-group\"><h3 class=\"wprm-recipe-group-name wprm-recipe-instruction-group-name wprm-block-text-bold\">Step 4 &#8211; baking the cake<\/h3><ul class=\"wprm-recipe-instructions\"><li id=\"wprm-recipe-128508-step-4-0\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">Place the pan with the cake into the preheated oven and bake for about 40-45 minutes &#8211; until a wooden skewer comes out clean.<\/span><\/div><\/li><li id=\"wprm-recipe-128508-step-4-1\" class=\"wprm-recipe-instruction\" style=\"list-style-type: decimal;\"><div class=\"wprm-recipe-instruction-text\" style=\"margin-bottom: 5px;\"><span style=\"display: block;\">After baking, cool the cake, and before serving, sprinkle with powdered sugar or drizzle with glaze. <\/span><\/div><\/li><\/ul><\/div><\/div>\n<div id=\"przepis-video\"><\/div><div id=\"wprm-recipe-video-container-128508\" class=\"wprm-recipe-video-container\"><h5 class=\"wprm-recipe-header wprm-recipe-video-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Film<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-recipe-video\"><div class=\"video-shortcode\"><iframe title=\"Ciastko kostka rabarbarowa\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/J1_y8GwjWhM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div><\/div><\/div>\n<div id=\"recipe-128508-notes\" class=\"wprm-recipe-notes-container wprm-block-text-normal\"><h5 class=\"wprm-recipe-header wprm-recipe-notes-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Uwagi<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-recipe-notes\"><span style=\"display: block;\">A glass has a capacity of 250 ml.\u00a0<\/span><div class=\"wprm-spacer\"><\/div>\n<span style=\"display: block;\">See the notes below the recipe for possible substitutes for the ingredients used, or tips for making the recipe.\u00a0<\/span><div class=\"wprm-spacer\"><\/div>\n<span style=\"display: block;\"><strong>The recipe video is in Polish, but you can watch it to see the step-by-step process.<\/strong><\/span><\/div><\/div>\n<div class=\"wprm-private-notes-wrapper\"><h5 class=\"wprm-recipe-header wprm-recipe-private-notes-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Prywatne<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-private-notes-container wprm-block-text-normal\" data-recipe=\"128508\"><div class=\"wprm-private-notes-placeholder\"><a href=\"#\" role=\"button\">Tu mo\u017cesz doda\u0107 swoje prywatne notatki<\/a><\/div><div class=\"wprm-private-notes-user\"><\/div><textarea class=\"wprm-private-notes-input\" aria-label=\"Your own private notes about this recipe\"><\/textarea><\/div><\/div>\n<div id=\"recipe-128508-nutrition\" class=\"wprm-nutrition-label-shortcode-container\"><h5 class=\"wprm-recipe-header wprm-recipe-nutrition-header wprm-block-text-uppercase wprm-align-left wprm-header-decoration-line\" style=\"\">Warto\u015bci Od\u017cywcze<div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/h5><div class=\"wprm-nutrition-label-container wprm-nutrition-label-container-grouped wprm-block-text-normal wprm-nutrition-label-container-grouped-text\" style=\"text-align: left;column-gap: 10px;\"><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-serving_size\"style=\"flex-basis: 175px;\"><span class=\"wprm-nutrition-label-text-nutrition-label  wprm-block-text-faded\" style=\"color: #333333\">Serving: <\/span><span class=\"wprm-nutrition-label-text-nutrition-value\" style=\"color: #333333\">100<\/span><span class=\"wprm-nutrition-label-text-nutrition-unit\" style=\"color: #333333\">g<\/span><\/span><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-calories\"style=\"flex-basis: 175px;\"><span class=\"wprm-nutrition-label-text-nutrition-label  wprm-block-text-faded\" style=\"color: #333333\">Calories: <\/span><span class=\"wprm-nutrition-label-text-nutrition-value\" style=\"color: #333333\">246<\/span><span class=\"wprm-nutrition-label-text-nutrition-unit\" style=\"color: #333333\">kcal<\/span><\/span><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-carbohydrates\"style=\"flex-basis: 175px;\"><span class=\"wprm-nutrition-label-text-nutrition-label  wprm-block-text-faded\" style=\"color: #333333\">Weglowodany: <\/span><span class=\"wprm-nutrition-label-text-nutrition-value\" style=\"color: #333333\">36<\/span><span class=\"wprm-nutrition-label-text-nutrition-unit\" style=\"color: #333333\">g<\/span><\/span><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-protein\"style=\"flex-basis: 175px;\"><span class=\"wprm-nutrition-label-text-nutrition-label  wprm-block-text-faded\" style=\"color: #333333\">Protein: <\/span><span class=\"wprm-nutrition-label-text-nutrition-value\" style=\"color: #333333\">3<\/span><span class=\"wprm-nutrition-label-text-nutrition-unit\" style=\"color: #333333\">g<\/span><\/span><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-fat\"style=\"flex-basis: 175px;\"><span class=\"wprm-nutrition-label-text-nutrition-label  wprm-block-text-faded\" style=\"color: #333333\">T\u0142uszcz: <\/span><span class=\"wprm-nutrition-label-text-nutrition-value\" style=\"color: #333333\">10<\/span><span class=\"wprm-nutrition-label-text-nutrition-unit\" style=\"color: #333333\">g<\/span><\/span><span class=\"wprm-nutrition-label-text-nutrition-container wprm-nutrition-label-text-nutrition-container-empty\" style=\"flex-basis: 175px\"><\/span><\/div><\/div>\n<div class=\"wprm-spacer\" style=\"height: 20px;\"><\/div>\n<div class=\"wprm-icon-shortcode wprm-icon-shortcode-separate wprm-align-center wprm-icon-decoration-line\" style=\"font-size: 24px;height: 24px;\"><div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><span class=\"wprm-recipe-icon\" aria-hidden=\"true\"><svg width=\"16px\" height=\"16px\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"><g id=\"Icons\" stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g fill=\"#eb7683\"><path d=\"M9.0039,16.0079 C5.1419,16.0079 1.9999,12.8659 1.9999,9.0039 C1.9999,5.1419 5.1419,1.9999 9.0039,1.9999 C12.8659,1.9999 16.0079,5.1419 16.0079,9.0039 C16.0079,12.8659 12.8659,16.0079 9.0039,16.0079 M23.6209,22.2069 L16.1439,14.7299 C16.1059,14.6919 16.0579,14.6759 16.0159,14.6449 C17.2599,13.1009 18.0079,11.1409 18.0079,9.0039 C18.0079,4.0309 13.9769,-0.0001 9.0039,-0.0001 C4.0309,-0.0001 -0.0001,4.0309 -0.0001,9.0039 C-0.0001,13.9769 4.0309,18.0079 9.0039,18.0079 C11.1409,18.0079 13.1009,17.2599 14.6449,16.0169 C14.6749,16.0579 14.6919,16.1059 14.7299,16.1439 L22.2069,23.6209 C22.4019,23.8169 22.6579,23.9139 22.9139,23.9139 C23.1699,23.9139 23.4259,23.8169 23.6209,23.6209 C24.0119,23.2309 24.0119,22.5979 23.6209,22.2069\"><\/path><\/g><\/g><\/svg><\/span> <div class=\"wprm-decoration-line\" style=\"border-color: #e0e0e0;\"><\/div><\/div>\n<div class=\"wprm-recipe-meta-container wprm-recipe-custom-container wprm-recipe-details-container wprm-recipe-details-container-table wprm-block-text-normal wprm-recipe-table-borders-none wprm-recipe-table-borders-inside\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><div class=\"wprm-recipe-block-container wprm-recipe-block-container-table wprm-block-text-normal wprm-recipe-tag-container wprm-recipe-keyword-container\" style=\"border-width: 0;border-style: dotted;border-color: #666666;\"><span class=\"wprm-recipe-details-label wprm-block-text-uppercase-faded wprm-recipe-tag-label wprm-recipe-keyword-label\">Keyword <\/span><span class=\"wprm-recipe-keyword wprm-block-text-normal\">creamed rhubarb cake, light rhubarb cake<\/span><\/div><\/div>\n<div class=\"wprm-spacer\"><\/div>\n<div class=\"wprm-call-to-action wprm-call-to-action-simple\" style=\"color: #ffffff;background-color: #eb7683;margin: 0px;padding-top: 30px;padding-bottom: 30px;\"><span class=\"wprm-recipe-icon wprm-call-to-action-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\"><g class=\"nc-icon-wrapper\" stroke-width=\"1\" fill=\"#ffffff\" stroke=\"#ffffff\"><path fill=\"none\" stroke=\"#ffffff\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-miterlimit=\"10\" d=\"M11.5,0.5 C9.982,0.5,8.678,1.355,8,2.601C7.322,1.355,6.018,0.5,4.5,0.5c-2.209,0-4,1.791-4,4c0,4,7.5,11,7.5,11s7.5-7,7.5-11 C15.5,2.291,13.709,0.5,11.5,0.5z\" data-cap=\"butt\"\/> <\/g><\/svg><\/span> <span class=\"wprm-call-to-action-text-container\"><span class=\"wprm-call-to-action-header\" style=\"color: #ffffff;\">Tried this recipe?<\/span><span class=\"wprm-call-to-action-text\"><a href=\"#comment\" target=\"_self\" style=\"color: #ffffff\" >Daj zna\u0107<\/a> w komentarzu!<\/span><\/span><\/div><\/div><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-3-400x600.jpg\" alt=\"spring rhubarb baked cake recipe step by step\" class=\"wp-image-128000\" title=\"recipe for a simple and quick rhubarb cake on a creamed butter cake base\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-3-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-3-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-3-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-3.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 id=\"dlaczego-warto-upiec-ciasto-kostka-rabarbarowa\" class=\"wp-block-heading\">Why bake rhubarb square cake?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">I prepared this cake for my sister&#8217;s visit and half of it disappeared before she even arrived :) The cake is super delicious, nicely fluffy, and slightly moist thanks to the generous amount of rhubarb. Additionally, the rhubarb adds tartness to the cake, so the whole thing isn&#8217;t too sweet, but perfectly balanced. If you prefer sweeter cakes, you can prepare icing at the end and drizzle it over the cake after baking and cooling completely. Then the whole thing will gain more sweetness. For me, sprinkling the cake with a little powdered sugar was enough. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember one very important thing &#8211; this is a creamed cake, so all ingredients added to the cake itself MUST be at room temperature. So take them out of the fridge beforehand!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-4-400x600.jpg\" alt=\"easy cake with a lot of rhubarb recipe with video\" class=\"wp-image-128001\" title=\"buttery creamed rhubarb cake recipe step by step\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-4-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-4-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-4-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-4.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 id=\"jakie-skladniki-sa-niezbedne-do-upieczenia-ucieranego-ciasta-z-rabarbarem\" class=\"wp-block-heading\">What ingredients are essential for baking creamed rhubarb cake?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To make such a quick rhubarb cake at home, you will only need a few basic products. Below is a shortened list of products I used and possible substitutes. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>butter<\/strong> &#8211; I used extra 82% butter, you need it to be soft and at room temperature, so take it out of the fridge well in advance, you can ultimately substitute it with mixed butter or vegetable butter<\/li>\n\n\n\n<li><strong>wheat flour<\/strong> &#8211; I used wheat flour type 500, you can also use flour 450 or 550<\/li>\n\n\n\n<li><strong>potato flour<\/strong> &#8211; you need to add some starch to the rhubarb to thicken the juices produced during baking, you can also use regular starch here &#8211; potato or corn, ultimately it can also be regular wheat flour<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-5-400x600.jpg\" alt=\"step-by-step recipe for rhubarb square cake\" class=\"wp-image-128002\" title=\"how to make a quick and simple rhubarb cake for a barbecue\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-5-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-5-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-5-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-5.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h3 id=\"czy-do-tego-przepisu-mozna-dodac-inne-owoce\" class=\"wp-block-heading\">Can other fruits be added to this recipe?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, the basic recipe can be modified by adding other seasonal fruits. Strawberries, blueberries, or apples, among others, go well with this type of cake. However, it is worth remembering that the fruits should not be too watery, as they can heavily soak the cake and lead to a soggy bottom. So choose firm and less juicy fruits. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-6-400x600.jpg\" alt=\"idea for a quick rhubarb cake\" class=\"wp-image-128003\" title=\"top view of arranged slices of cut rhubarb cake sprinkled with powdered sugar\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-6-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-6-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-6-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-6.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<h2 id=\"najczestsze-pytania-faq\" class=\"wp-block-heading\">Frequently Asked Questions &#8211; FAQ<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1781449515450\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Does rhubarb need to be peeled before adding to the cake?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Young, thin rhubarb stalks do not require peeling. However, if the rhubarb has a thick, tough skin or is more mature, it is worth removing it to give the cake a more delicate texture. Before adding to the cake, rhubarb should be thoroughly washed, dried, and cut into smaller pieces.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781449566764\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How to store rhubarb cake?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The finished <strong>rhubarb square cake<\/strong> is best stored in an airtight container or covered with cling film. It can be kept at room temperature for 1-2 days or in the refrigerator for up to a week. Before serving, it&#8217;s worth letting the cake sit at room temperature for at least 30 minutes after taking it out of the fridge, so that it warms up and becomes soft.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781449667662\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Can rhubarb cake be frozen?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, <strong>creamed rhubarb cake can be frozen<\/strong>. It&#8217;s best to divide it into portions, wrap it carefully, and store it in the freezer for up to several months. After thawing, it&#8217;s worth leaving it at room temperature to regain its fluffiness.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781449692179\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How to check if the rhubarb cake is baked?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The best way to check is with a wooden skewer. If, after inserting it into the center of the cake, the skewer comes out dry or with only a few crumbs, it means the cake is ready.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781450239459\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How to make icing for rhubarb cake?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>If you want to additionally drizzle the cake with icing, simply mix about 150-200 g of powdered sugar (1 &#8211; 1 and 1\/3 cups) with a little water or milk. Add water to the sugar one tablespoon at a time and mix until you get a smooth and fairly thick icing. Then spread it over the cake. <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781451403657\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">How many calories are in one serving of cake?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>If you divide the cake into 16 roughly similar portions, one such piece will have about 261 kcal. <\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-7-400x600.jpg\" alt=\"how to make a nice rhubarb cake\" class=\"wp-image-128004\" title=\"quick and simple rhubarb square cake baked with a lot of rhubarb\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-7-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-7-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-7-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-7.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">I hope that <strong>rhubarb square cake<\/strong> will become a permanent fixture in your home menu and one of your favorite <strong>rhubarb cake<\/strong> recipes. It&#8217;s a light, fluffy, and incredibly simple <strong>creamed cake with plenty of rhubarb<\/strong> that always turns out well and delights with its taste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you try this <strong>simple recipe for <a href=\"https:\/\/wypiekibeaty.com.pl\/en\/skladniki\/rhubarb\/\">rhubarb cake<\/a><\/strong>, be sure to let me know in the comments how it turned out and if your loved ones enjoyed it. I would also be very happy if you shared a photo of your bake!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I also invite you to follow my blog and <a href=\"https:\/\/www.instagram.com\/wypiekibeaty\/\" target=\"_blank\" rel=\"noreferrer noopener\">my Instagram<\/a> for more proven recipes for <strong>homemade cakes and seasonal baked goods<\/strong>, and on my Instagram, where new inspirations regularly appear. You can also download my recipe app to have all ideas always at hand.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-8-400x600.jpg\" alt=\"simple step-by-step recipe for creamed rhubarb baked cake\" class=\"wp-image-128005\" title=\"a slice of rhubarb cake on a dessert plate\" srcset=\"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-8-200x300.jpg 200w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-8-300x450.jpg 300w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-8-400x600.jpg 400w, https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-8.jpg 600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Inspiration &#8211; blog <a href=\"https:\/\/cloudykitchen.com\/blog\/rhubarb-shortcake-bars\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudy Kitchen<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Got rhubarb? Bake a delicious rhubarb square cake! It&#8217;s an easy, fluffy fruit cake that delights everyone!<\/p>\n","protected":false},"author":1,"featured_media":128506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[17152,17852,17146,17161,17184,17188,17206],"tags":[17286,17386,17296,17298,17313,17258],"class_list":["post-128505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-american-cuisine","category-creamed-cakes","category-fruit-cakes","category-polish-cuisine","category-shortcrust-pastries","category-vegetable-cakes","category-world-cuisines","tag-butter","tag-eggs","tag-flour","tag-potato-flour","tag-rhubarb","tag-sugar"],"acf":{"SEO_BOX":"<h2>Rhubarb Square Cake Recipe<\/h2>\r\n<strong>Rhubarb square cake<\/strong> is a light, fluffy, and flavorful <strong>rhubarb cake<\/strong> that is perfect for fresh rhubarb season. This exceptionally delicate <strong>creamed cake with plenty of rhubarb<\/strong> delights with its simple preparation, soft texture, and pleasantly tart fruit flavor that breaks through the sweetness of homemade baking. This <strong>simple rhubarb cake recipe<\/strong> is an excellent choice for anyone who loves classic, homemade cakes prepared with easily accessible ingredients. Fluffy creamed cake and a generous amount of rhubarb pieces create a perfect combination, making the bake moist, aromatic, and full of spring-summer flavor.\r\n\r\nOn the blog, you will find a detailed preparation description and a <strong>step-by-step recipe with photos<\/strong> that will help you easily prepare this delicious rhubarb square cake in your own kitchen. Additionally, I have also prepared a <strong>short preparation video<\/strong>, thanks to which you can see the entire cake-making process and check how each stage should look.\r\n\r\nIf you are looking for an idea for an <strong>easy rhubarb cake<\/strong>, a quick dessert with coffee, or a proven homemade summer bake, be sure to try this recipe. Rhubarb square cake is a light, fluffy, and incredibly tasty cake that will surely stay in your home menu for longer.","recommended_box":"<h2 style=\"text-align: center;\">Recommended Rhubarb Cake Recipes<\/h2>\r\nBe sure to also check out my other recipes for delicious cakes and other baked goods prepared with rhubarb. Here I recommend three such recipes, and many more on the blog.\r\n<div style=\"display: flex; gap: 20px; flex-wrap: wrap;\">\r\n<div style=\"flex: 1; min-width: 250px;\">[wprm-recipe-roundup-item id=\"127078\"]<\/div>\r\n<div style=\"flex: 1; min-width: 250px;\">[wprm-recipe-roundup-item id=\"126203\"]<\/div>\r\n<div style=\"flex: 1; min-width: 250px;\">[wprm-recipe-roundup-item id=\"113231\"]<\/div>\r\n<\/div>"},"views_count":2,"tracking_code":null,"jetpack_featured_media_url":"https:\/\/wypiekibeaty.com.pl\/wp-content\/uploads\/2026\/06\/kostka-rabarbarowa-9.jpg","jetpack_shortlink":"https:\/\/wp.me\/p3BmFM-xqF","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/posts\/128505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/comments?post=128505"}],"version-history":[{"count":0,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/posts\/128505\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/media\/128506"}],"wp:attachment":[{"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/media?parent=128505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/categories?post=128505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wypiekibeaty.com.pl\/en\/wp-json\/wp\/v2\/tags?post=128505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}