Chocolate Peanut Butter Cake


Ingredients

  • 1 ¾ cups all-purpose flour
  • 1 ½ cups granulated sugar
  • ¾ cup unsweetened cocoa powder
  • 1 ½ tsp baking powder
  • 1 ½ tsp baking soda
  • 1 tsp salt
  • 2 large eggs
  • 1 cup whole milk
  • ½ cup vegetable oil
  • 2 tsp vanilla extract
  • 1 cup boiling water

For the Peanut Butter Frosting:

  • 1 cup creamy peanut butter
  • ½ cup unsalted butter, softened
  • 2 cups powdered sugar
  • ⅓ cup heavy cream (add more if needed for consistency)
  • 1 tsp vanilla extract
  • Pinch of salt

Optional Chocolate Ganache Drip:

  • ½ cup heavy cream
  • 4 oz semi-sweet chocolate chips

Instructions

  1. Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans or line them with parchment paper.
  2. Make the cake batter:
    • In a large bowl, whisk together flour, sugar, cocoa powder, baking powder, baking soda, and salt.
    • Add eggs, milk, vegetable oil, and vanilla. Beat on medium speed for 2 minutes until smooth.
    • Carefully stir in boiling water — the batter will be thin.
  3. Bake:
    • Divide the batter evenly between prepared pans.
    • Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean.
    • Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.
  4. Make the peanut butter frosting:
    • In a large bowl, beat peanut butter and butter together until creamy.
    • Gradually add powdered sugar, beating until smooth.
    • Add vanilla and a pinch of salt.
    • Slowly add heavy cream, 1 tablespoon at a time, beating until fluffy and spreadable.
  5. Assemble the cake:
    • Place one cake layer on a serving plate. Spread frosting on top.
    • Place the second layer on top and frost the top and sides of the cake.
  6. Optional chocolate ganache drip:
    • Heat the heavy cream until hot but not boiling. Pour over chocolate chips and let sit for 2 minutes. Stir until smooth.
    • Let the ganache cool slightly, then drizzle over the frosted cake for a dramatic drip effect.
  7. Serve:
    • Slice, serve, and enjoy the rich chocolate cake with creamy peanut butter frosting!

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