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Reese’s Peanut Butter Earthquake Cake

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This Reese’s Peanut Butter Earthquake Cake combines rich chocolate cake with creamy peanut butter filling and gooey Reese’s Peanut Butter Cups, resulting in a decadent, irresistible dessert with a fudgy interior and crispy edges.

Ingredients

1 box of chocolate cake mix (plus the ingredients called for on the box, typically eggs, oil, and water)

1 cup creamy peanut butter

1 cup powdered sugar

8 oz cream cheese, softened

1 cup sour cream

1 cup milk chocolate chips

1 cup mini Reese’s Peanut Butter Cups, chopped

1/2 cup unsalted butter, melted

1 tsp vanilla extract

Pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 9x13-inch baking pan.
  2. Prepare the chocolate cake mix according to the instructions on the box. Pour the batter into the prepared baking pan and spread evenly.
  3. In a medium mixing bowl, combine the creamy peanut butter, powdered sugar, cream cheese, and sour cream. Mix until smooth and creamy.
  4. Drop spoonfuls of the peanut butter mixture onto the cake batter. Using a knife or spatula, swirl the peanut butter mixture into the cake batter, but do not completely mix.
  5. Sprinkle the mini Reese’s Peanut Butter Cups and chocolate chips evenly on top of the cake.
  6. Drizzle the melted butter and vanilla extract over the cake. Sprinkle a pinch of salt over the top.
  7. Bake for 35-45 minutes, or until a toothpick inserted in the center comes out mostly clean (a few moist crumbs are okay).
  8. Let the cake cool for 15 minutes before cutting into squares and serving.

Notes

  • Add chopped nuts like peanuts, walnuts, or pecans for extra crunch.
  • For less sweetness, swap milk chocolate chips for dark chocolate chips.
  • For individual servings, bake the cake in a muffin tin for 15-20 minutes.
  • Try using a peanut butter or yellow cake mix for variety.
  • Top with whipped cream, extra chopped Reese’s cups, or caramel/chocolate syrup for extra indulgence.

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