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The Ultimate Chocolate Peanut Butter Gooey Butter Cake

Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Servings: 20 servings
Course: Dessert
Cuisine: American
This St. Louis dessert is rich and delicious. The gooey butter cake just melts in your mouth and is the ultimate dessert for chocolate peanut butter lovers.
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Author: Christina

Ingredients 

For the Crust

  • 1 cup sugar
  • 1 cup unsalted butter room temperature
  • 1 teaspoon vanilla extract
  • 1 3/4 cup all-purpose flour
  • 1/4 cup unsweetened cocoa powder
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt

For the Chocolate Peanut Butter Layer

  • 2/3 cup peanut butter
  • 16 Reese's Peanut Butter Cups snack size

For the Filling

  • 8 oz. cream cheese room temperature
  • 1/2 cup unsalted butter melted
  • 2 eggs
  • 1 teaspoon vanilla extract
  • pinch of salt
  • 3 cups powdered sugar plus more for decorating

Instructions

  • Preheat oven to 350°F and grease a 9"-x-13" baking pan with cooking spray.
  • In a large mixing bowl, beat together the sugar and unsalted butter to get a light and fluffy consistency. Then mix in the vanilla extract.
  • In a separate bowl, combine the dry ingredients and whisk together. Slowly add it into the mixture and combine until it forms into a smooth ball of dough. Press the dough evenly into the baking pan. Set aside in a cool place.
  • Next, you will prepare the filling. In a mixing bowl, beat together the cream cheese and melted unsalted butter. Then add the vanilla extract, eggs, and salt and mix well.
  • In another bowl, add the powdered sugar and whisk to remove any clumps. Slowly add the powdered sugar into the filling mixture and beat until it is silky smooth. Set aside.
  • Spread a thin layer of peanut butter over the rested dough in the baking pan. Arrange Reese's Peanut Butter Cups 4 x 4 top side down, over the peanut butter, and gently press them into the layer. Pour the filling over the Reese's Peanut Butter Cups and spread it across the pan evenly.
  • Bake at 350°F for 40 minutes or until the cake is golden brown, puffed, and slightly cracked. The middle of the cake should be GOOEY! If it is not gooey, you have overbaked the cake.
  • Remove from the oven, cool completely, cut into desired squares, sprinkle with powdered sugar, and serve.

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Notes

Have a peanut allergy? Feel free to use this recipe without the use of peanut butter and Reese's Peanut Butter Cups!
You can also turn this recipe into the original gooey butter cake by exchanging 1/4 cup unsweetened cocoa powder with 1/4 cup all-purpose flour. In addition to eliminating the use of peanut butter and Reese's Peanut Butter Cups.
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