Banana Mug Cake

Last Updated: 2026 March 1
banana and chocolate cake prepared in the microwave

Recipe for express banana cake with chocolate prepared in a mug

If you’re craving something good and quick for dessert, then prepare this express banana mug cake. This single-serving cake prepared in the microwave tastes great and is ready in about 5 minutes! Use a ripe banana here for maximum flavor and sweetness. See my detailed step-by-step recipe and savor this amazing mug cake.

banana cake in a cup made with chocolate chips

Banana mug cake recipe step by step

If you’re looking for an idea for a very quick and simple single-serving cake that you can prepare in the microwave, then you must try this recipe!

banana mug cake

Banana mug cake recipe with video

Wypieki Beaty
A recipe for a quick and very simple banana cake with chocolate, which you can prepare in the microwave.
5 z 1 oceny
Prep Time 3 minutes
Cook Time 2 minutes
Total Time 5 minutes
Course Cakes, Dessert
Kuchnia American cuisine, English cuisine
Servings 1
Calories 598 kcal
Wyposażenie
  • Mug or bowl (heat-resistant) with a capacity of approximately 300-400 ml.
Składniki

ingredients for banana mug cake

  • 1 banana (ripe – mine weighed 100 g)
  • 1 tablespoon oil
  • 1 egg (size L)
  • 1 tablespoon erythritol (or sugar)
  • 50 g all-purpose flour (⅓ cup)
  • 0.5 teaspoon baking soda
  • ¼ teaspoon cinnamon
  • approx 30 g chocolate (chopped – optional)
Instrukcja
 

How to make banana mug cake step by step

  • Peel the banana, slice it, and mash thoroughly with a fork.
    1 banana
    rozgniatanie banana na ciasto bananowe w kubku
  • Add oil, sugar, and egg to it – mix.
    1 tablespoon oil, 1 egg, 1 tablespoon erythritol
    dodawanie składników na ciasto bananowe w kubku
  • Add flour, baking soda, and cinnamon – mix.
    50 g all-purpose flour, 0.5 teaspoon baking soda, ¼ teaspoon cinnamon
    dodawanie mąki i cynamonu do ekspresowego ciasta w kubku z bananem
  • Add chocolate (if using) and mix.
    approx 30 g chocolate
    przekładanie ciasta bananowego do kubka przed włożeniem go do mikrofalówki
  • Place the mug with the cake in the microwave and bake for about 2 – 2.5 minutes (depends on your microwave’s power – I baked the cake in a 900W microwave for 2.5 minutes) – check with a skewer to see if the cake is ready.
  • After removing, let it cool slightly for 2 minutes and eat while still warm.
Film
Uwagi
A glass has a capacity of 250 ml.
See the notes below the recipe for possible substitutions or preparation tips. 
The recipe video is in Polish, but you can watch it to see the step-by-step process.
Wartości Odżywcze
Serving: 1servingCalories: 598kcalWeglowodany: 42gProtein: 19gTłuszcz: 31g
Keyword banana cake, microwave cake
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banana mug cake with chocolate and chocolate sauce

Microwave banana cake – notes

Sometimes I crave something sweet, but I don’t have time to bake a regular cake, or I just don’t feel like it. That’s when express mug cakes come to my rescue – on the blog, you’ll find several recipes for such quick microwave cakes. This time, I opted for banana bread in an express version, inspired by a recipe from the Half Baked Harvest blog. Here I present my slightly modified version of her recipe.

quick mug cake with banana and chocolate

What ingredients are essential for preparing banana mug cake?

To make such a banana mug cake, you only need a few basic ingredients. Below is a condensed list of the products I used and possible substitutes.

  • banana – the best will be a ripe one with browning skin, mine was medium-sized and weighed 100g after peeling
  • oil – I used rapeseed oil, you can substitute it with any other oil – including coconut oil. If you want to reduce the quite high calorie content of this cake, you can replace the oil with buttermilk
  • erythritol – I only added 1 tablespoon of sweetener to the cake, because the banana is naturally sweet. You can also use regular sugar or maple syrup here
  • baking soda – if you don’t have baking soda, add a teaspoon of baking powder to the cake
view of banana cake with chocolate prepared in a mug

How to make banana mug cake in the oven?

If you don’t have a microwave, but you fancy this cake, you can also bake it in the oven. Then preheat it to 180 degrees (top/bottom heat mode) and bake for about 25 minutes – until a dry stick comes out.

This microwave-baked cake rises significantly during baking – even above the height of the mug, but then after removing it, it will sink to a lower level – this is natural for microwave-baked cakes.

banana mug cake prepared in the microwave and served with chocolate sauce

How to diversify the taste of banana mug cake?

To diversify the taste of the banana cake, you can add chopped chocolate – or chocolate chips – like I did. Besides chocolate, chopped nuts – e.g., walnuts – will work great. If you like cinnamon bakes, you can add more than 1/4 teaspoon of cinnamon to the cake – half a teaspoon will be fine.

After baking, you can additionally drizzle the cake with chocolate or caramel sauce and add a scoop of your favorite ice cream. Remember then that this will further increase the calorie content of this dessert.

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5 z 1 oceny
Postaw mi kawę

Recommended recipes for mug cakes

Also try my other recipes for quick microwave cakes with different flavors and prepared with various additions. Here I recommend, among others, three such recipes:

Published On: 2025 March 24

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Microwave Banana Mug Cake Recipe

Prepare a super fast and incredibly simple banana mug cake with me today. This single-serving banana and chocolate cake is the perfect idea for a quick dessert. Ready in just a few minutes, it makes a great accompaniment to your coffee or tea.

This mug cake isn't just a dessert—you can also make it for a quick breakfast to give yourself a boost of energy for a great start to the day. Plus, I should add that this banana mug cake is high in protein!