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Heavenly Chocolate Peanut Butter Ooey Gooey Cake

A decadently rich cake featuring layers of chocolate and peanut butter, offering an ooey-gooey texture and melt-in-your-mouth experience, perfect for any occasion.
Prep Time15 minutes
Cook Time35 minutes
Total Time50 minutes
Course: Dessert
Cuisine: American
Keyword: Cake for Events, Chocolate Cake, Dessert Recipe, Easy Cake, Peanut Butter Cake
Servings: 12 servings
Calories: 340kcal

Ingredients

Dry Ingredients

  • 1 cup all-purpose flour Provides structure for the cake.
  • 1 cup granulated sugar Adds sweetness.
  • 1/2 cup unsweetened cocoa powder Provides rich chocolate flavor.
  • 1 teaspoon baking powder Helps the cake rise.
  • 1/2 teaspoon baking soda Works with baking powder for lift.
  • 1/4 teaspoon salt Enhances flavor.

Wet Ingredients

  • 1/2 cup unsalted butter, melted Adds moisture.
  • 1/2 cup creamy peanut butter Infuses rich peanut flavor.
  • 1/2 cup buttermilk Ensures a tender crumb.
  • 1 large egg Binding agent.
  • 1 teaspoon vanilla extract Enhances flavor.
  • 1/2 cup boiling water Measures to enhance moisture.

Mix-ins

  • 1/2 cup chocolate chips Adds pockets of chocolate.
  • 1/2 cup peanut butter chips Adds bursts of peanut flavor.

Optional Garnish

  • chopped peanuts For extra crunch and appeal.

Instructions

Preparation

  • Preheat your oven to 350°F (175°C) and grease and flour an 8-inch square baking pan.
  • In a large bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
  • In another bowl, mix together the melted butter, creamy peanut butter, buttermilk, egg, and vanilla extract until fully combined.
  • Slowly add the dry ingredients to the wet mixture, stirring gently until just combined.
  • Stir in the boiling water until the batter is smooth and thin.
  • Fold in the chocolate chips and peanut butter chips.

Baking

  • Pour the batter into the prepared baking pan and bake for 30-35 minutes.
  • The cake is ready when a toothpick inserted into the center comes out with a few moist crumbs.

Cooling and Serving

  • Allow the cake to cool completely in the pan. Cut into squares and optionally top with chopped peanuts.

Notes

Use room temperature ingredients for best results. Do not skip the boiling water step. Experiment with different mix-ins as desired.