Do peanut butter and dark chocolate go together?

Absolutely. The natural acidity and bitterness of dark chocolate are perfectly offset by the salt and fat in peanut butter, creating a balanced palate profile.

What's the best peanut butter for cake?

I recommend a processed creamy peanut butter like Jif or Skippy. Natural versions separate too easily, which can lead to a greasy, unstable frosting that fails to hold up the cake layers.

How to make chocolate cake very dark?

Use high-quality natural cocoa powder and include hot coffee or espresso powder. This blooms the cocoa solids and deepens the pigment without requiring artificial dyes.

Can I add peanut butter to a chocolate cake mix?

While you can, the structural integrity won't match a scratch-made Dark Chocolate Peanut Butter Cake. Professional results require the specific ratios of fat and leavening found in this recipe.

Dark Chocolate Peanut Butter Cake: Decadent 3 Layer Cake

Description

A sophisticated three-layer chocolate sponge featuring deep cocoa notes and a stabilized peanut butter frosting. This technical cake relies on precise temperature control to achieve a moist, stable crumb and a professional-grade ganache finish.

Ingredients

1.75 cups (219g) all-purpose flour
1.5 cups natural cocoa powder
2 cups granulated sugar
2 tsp baking soda
1 tsp baking powder
1 tsp salt
0.75 cups vegetable oil
3 large eggs
0.75 cups full-fat sour cream
0.5 cups buttermilk
1 cup hot coffee or water
1 tbsp vanilla extract
0.5 cups semi-sweet chocolate chips
1 cup unsalted butter, softened
1.5 cups creamy peanut butter
3 cups confectioners’ sugar
2 tbsp heavy cream
8 oz semi-sweet chocolate (56% cacao)
0.5 cups heavy cream (for ganache)

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Instructions

Prepare oven and pans. Heat oven to 350°F and prepare three 9-inch pans with parchment rounds.
Sift dry ingredients. Whisk together the flour, cocoa, sugar, baking soda, baking powder, and salt.
Emulsify wet base. Beat oil, eggs, and sour cream in a stand mixer until fully combined and smooth.
Combine cake batter. Incorporate buttermilk and vanilla, then slowly mix in dry ingredients and finish with hot coffee or water.
Bake the layers. Divide batter evenly into pans and bake for 24-26 minutes until a toothpick inserted into the center comes out clean.
Prepare frosting. Whip softened butter and peanut butter, then gradually add confectioners’ sugar and heavy cream until fluffy.
Assemble cake layers. Frost between each cake layer, apply a thin crumb coat to the exterior, and chill for 30 minutes.
Create ganache finish. Pour hot cream over chopped chocolate, stir until glossy, and let cool before pouring over the chilled cake.

Notes

For the best results, ensure all refrigerated ingredients like sour cream and eggs reach room temperature before mixing to prevent the batter from breaking. Always use processed creamy peanut butter rather than natural varieties to ensure the frosting remains stable enough to hold the weight of the layers.

Prep Time: 45 mins
Cook Time: 26 mins
Category: Dessert
Method: Baking
Cuisine: Modern British