Marbled Peanut Butter Cake

Last Updated: 2026 February 23
marbled peanut cake covered with chocolate glaze with peanut butter and sprinkled with peanuts

Recipe for a simple peanut-chocolate cake with peanut butter

Today I invite you to an exceptionally simple marbled peanut butter cake. This cake is a real treat for peanut butter and chocolate fans! Marbled, soft, with an intense flavor of cocoa and peanuts, and topped with a glossy chocolate glaze and sprinkled with crunchy peanuts. It looks impressive, tastes divine, and is perfect for both everyday enjoyment and special occasions. You absolutely must try this recipe!

top view of the cake covered with chocolate glaze and sprinkled with chopped peanuts

Marbled peanut butter cake recipe step by step

If you like simple and quick cakes full of flavor and chocolate, then you absolutely must try this recipe using peanut butter.

a piece of cake with chocolate frosting and nuts

Marbled Peanut Butter Cake recipe with video

Wypieki Beaty
A recipe for a very simple and quick cake with peanut butter and cocoa, covered with chocolate glaze.
5 z 1 oceny
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Cakes
Kuchnia American cuisine
Servings 20
Calories 353 kcal
Wyposażenie
  • Baking pan approximately 24×24 cm (or a springform pan with a diameter of approximately 26 cm).
Składniki

ingredients for nut-chocolate cake

  • 125 g peanut butter (smooth (½ cup))
  • 80 ml oil (⅓ cup)
  • 200 g sugar (1 cup)
  • 4 eggs (large)
  • 375 g all-purpose flour (2½ cups)
  • 3 teaspoons baking powder
  • 0.5 teaspoons cinnamon
  • 250 ml buttermilk
  • 20 g bitter cocoa (3 leveled tablespoons)
  • 2-3 tablespoons milk

topping ingredients

  • 100 ml heavy cream
  • 150 g chocolate (bitter or dessert)
  • approx. 30 g peanut butter
  • approx. 50 g peanuts (chopped)
Instrukcja
 

How to make peanut butter and cocoa cake step by step

    Step 1 – preparations

    • Line the baking pan with baking paper or grease with butter and dust with flour.
    • Preheat the oven to 170℃ (fan-assisted) or 180℃ (conventional).
    • Mix together the flour, baking powder, and cinnamon.
      375 g all-purpose flour, 3 teaspoons baking powder, 0.5 teaspoons cinnamon
      mieszanie mąki z proszkiem do pieczenia i cynamonem

    Step 2 – preparing the nut batter

    • Add the peanut butter, sugar, and oil to a bowl.
      125 g peanut butter, 200 g sugar, 80 ml oil
      dodawanie oleju do składników na ciasto orzechowe
    • Blend the ingredients together until smooth.
      miksowanie składników na ciasto orzechowe z masłem orzechowym
    • Add the eggs one by one and mix briefly after each.
      4 eggs
      dodawanie jajek do ciasta z masłem orzechowym
    • Add about half of the flour and mix briefly.
      dodawanie mąki do ciasta orzechowego
    • Pour in the buttermilk and mix until combined.
      250 ml buttermilk
      dodawanie maślanki do ciasta z masłem orzechowym
    • Add the rest of the flour and mix briefly.
    • Set aside about ⅓ of the batter into a smaller bowl.
      odkładanie części ciasta orzechowego do przygotowania ciasta czekoladowego

    Step 3 – preparing the chocolate batter

    • Add cocoa and milk to a smaller bowl – mix thoroughly. If the mixture is very thick, add a little more milk.
      20 g bitter cocoa, 2-3 tablespoons milk
      przygotowanie ciasta czekoladowego

    Step 4 – layering the batter

    • Spoon about ⅔ of the nut batter into the pan.
      wykładanie ciasta z masłem orzechowym do formy do pieczenia wyłożonej papierem do pieczenia
    • Spoon half of the chocolate batter on top of it in “dollops”.
      nakładanie ciasta czekoladowego na ciasto orzechowe w formie
    • Spoon the rest of the nut batter, and on top of it, the rest of the chocolate batter.
    • Finally, swirl the batter with a skewer or knife.
      mieszanie ciasta czekoladowego z ciastem orzechowym

    Step 5 – baking the cake

    • Place the cake pan in the preheated oven and bake for about 35-40 minutes – until a dry stick comes out.
    • After baking, let the cake cool.

    Step 6 – decorating the cake

    • Heat the heavy cream in a saucepan and when hot, add the broken chocolate to it.
      100 ml heavy cream, 150 g chocolate
      przygotowanie polewy czekoladowej na ciasto z masłem orzechowym
    • Stir until you get a smooth chocolate glaze. Let it cool and when it starts to thicken, spread it over the top of the cake.
      smarowanie ciasta polewą czekoladową
    • Briefly heat the peanut butter in the microwave (30 seconds should be enough) and pour it over the chocolate glaze – immediately gently swirl the layers.
      approx. 30 g peanut butter
      smarowanie wierzchu ciasta masłem orzechowym
    • Finally, sprinkle the cake with chopped peanuts.
      approx. 50 g peanuts
    Film
    Uwagi
    A glass has a capacity of 250 ml.
    See the notes below the recipe for possible substitutes for the ingredients used, or tips for the recipe. 
    The recipe video is in Polish, but you can watch it to see the step-by-step process.
    Wartości Odżywcze
    Serving: 100gCalories: 353kcalWeglowodany: 38gProtein: 8.5gTłuszcz: 18g
    Keyword marble cake, peanut butter cake, peanut-chocolate cake
    Tried this recipe?Daj znać w komentarzu!
    marbled peanut-chocolate cake with chocolate glaze and peanut butter

    Peanut-chocolate cake – notes

    My husband and his friends recently went for an ultra run in Croatia, so of course I had to bake them something good to load up on carbohydrates and add energy. I opted for ingredients that are ideal for athletes – peanut butter and chocolate. I searched the internet a bit and came across a peanut butter cake recipe – there, the author baked it in a loaf pan, but I decided on a version baked in a larger mold. And so I baked this peanut cake with cocoa, and now I highly recommend it to you too!

    peanut cake covered with bitter chocolate glaze and sprinkled with chopped peanuts

    What ingredients are necessary to bake a peanut butter cake?

    To prepare this cake, you will need a few basic ingredients. Below is a condensed list of the products I used and possible substitutes.

    • peanut butter – I most recommend smooth peanut butter here – then you can nicely mix it with sugar, but if you only have one with peanut pieces, it’s not a problem – you can also use it – then there will be crunchy nut pieces in the cake. You can also make homemade peanut butter if you can’t buy it anywhere – although you can easily get it in any Biedronka or Lidl, as well as in larger stores.
    • cocoa – for the chocolate part, you will need bitter cocoa – it can be regular or defatted. It cannot be a sweetened cocoa drink!
    • chocolate – for the frosting, I used dark chocolate, but if you prefer sweeter cakes, you can use milk chocolate – only then use less heavy cream for the frosting – for 150 g of milk chocolate, use about 80 ml of heavy cream.
    • heavy cream – for me, it’s liquid cream in a carton with 30% fat content; you can also use 36% cream – only then the cake’s calorie content will slightly increase.
    • buttermilk – I added regular natural buttermilk to the cake; you can replace it with kefir or a thinner natural yogurt; ultimately, it can also be regular milk – only then don’t pour in the entire glass at once, but first add about 3/4 of a glass, and if the batter is too thick, then add the rest.
    marbled nut cake with cocoa and peanut butter, covered with chocolate frosting

    How to store marbled peanut butter cake?

    After baking and cooling, it’s worth transferring the cake to a container with a lid or covering it with a cake dome. This will help the cake stay fresh and soft longer and prevent it from drying out. You can store the cake at room temperature for several days, and I think even up to a week. You can also freeze the nut cake for about 3 months.

    marbled cake with peanut butter and chocolate cake

    How many calories does a cake with peanut butter and cocoa have?

    In the table below the recipe, I provided the calorie count for 100 g of the cake – using the products I used. If you divide it into approximately 20 similar portions, each will have about 282 kcal (carbohydrates – 31 g, protein – 7 g, fats – 14 g).

    I hope you like this marbled nut-chocolate cake and will gladly use the recipe. I would be very happy if you then share your comments below the recipe.

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    Recommended nut cake recipes

    If you like nuts, peanut butter, and nutty baked goods, then you must try my other recipes for delicious cakes, cupcakes, and cookies. Here I recommend three such recipes, among others, and many more on the blog.

    Published On: 2025 April 28

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