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Gooey Chocolate Peanut Butter Cake topped with chocolate drizzle and peanuts
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Gooey Chocolate Peanut Butter Cake

A decadent cake combining rich chocolate and creamy peanut butter, topped with a warm chocolate ganache for an indulgent treat.
Prep Time20 minutes
Cook Time35 minutes
Total Time55 minutes
Course: Cake, Dessert
Cuisine: American
Keyword: Chocolate Cake, Decadent Dessert, Gooey Cake, Indulgent Dessert, Peanut Butter Cake
Servings: 8 servings
Calories: 400kcal

Ingredients

For the cake

  • 1.5 cups 1 1/2 cups all-purpose flour Provides the fluffy foundation for our cake.
  • 1 cups 1 cup granulated sugar Bringing balance to the rich chocolate flavors.
  • 0.5 cups 1/2 cup unsweetened cocoa powder Infuses the cake with intense chocolatey depth.
  • 1 teaspoon 1 teaspoon baking soda The leavening agent that ensures your cake rises.
  • 0.5 teaspoon 1/2 teaspoon salt Enhances flavors.
  • 1 cup 1 cup water Adds moisture for a delightful soft texture.
  • 0.33 cups 1/3 cup vegetable oil Imparts richness.
  • 1 teaspoon 1 teaspoon white vinegar Reacts with baking soda for a fluffy crumb.
  • 1 teaspoon 1 teaspoon vanilla extract Adds aromatic flavor.

For the filling

  • 1 cup 1 cup creamy peanut butter The star filling that makes every bite unforgettable.
  • 0.5 cups 1/2 cup powdered sugar Lightens up the filling.
  • 0.25 cups 1/4 cup unsalted butter, softened Adds richness.
  • 1 teaspoon 1 teaspoon vanilla extract Reinforces delightful flavors.

For the ganache and decoration

  • 1 cup 1 cup semi-sweet chocolate chips Melts into a glossy ganache.
  • 0.5 cups 1/2 cup heavy cream Creates a silky ganache.
  • to taste Chopped peanuts for decoration Adds texture.
  • to taste Mini chocolate chips for decoration Visual and flavor appeal.
  • to taste Peanut butter cups for decoration Elevates charm.

Instructions

Preparation

  • Preheat oven to 350°F (175°C) and grease a 9-inch round cake pan.
  • In a large bowl, whisk together flour, sugar, cocoa powder, baking soda, and salt.
  • Add water, vegetable oil, white vinegar, and vanilla extract; mix until well combined.
  • Pour the cake batter into the prepared pan.

Filling & Mixing

  • In a separate bowl, combine peanut butter, powdered sugar, softened butter, and vanilla extract for the filling.
  • Drop spoonfuls of the peanut butter mixture onto the cake batter and swirl gently with a knife.

Baking

  • Bake for 30-35 minutes, or until a toothpick inserted comes out clean.
  • Allow the cake to cool completely in the pan.

Ganache Preparation

  • In a microwave-safe bowl, heat chocolate chips and heavy cream in 30-second intervals, stirring until smooth.
  • Pour the ganache over the cooled cake.

Decoration

  • Decorate with chopped peanuts, mini chocolate chips, and peanut butter cups.

Notes

For best results, ensure the cake cools completely before adding ganache. Grease your pan thoroughly and avoid over-mixing the batter.