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Reese’s Chocolate Peanut Butter Cup Earthquake Cake

An ultra-decadent dessert featuring rich chocolate cake swirled with creamy peanut butter cheesecake filling and studded with melty chocolate chips and Reese’s cups. This indulgent cake bakes into a crackled, gooey masterpiece perfect for chocolate and peanut butter lovers.
Print Recipe
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Servings: 12
Course: Baked Goods, Comfort Food, Dessert, Holiday Treats, Party Desserts
Cuisine: American
Calories: 520
Ingredients Method Notes

Ingredients
  

  • 1 box dark chocolate fudge cake mix
  • 8 oz cream cheese softened
  • 1/2 cup unsalted butter softened
  • 1/2 cup creamy peanut butter
  • 1 tsp vanilla extract
  • 4 cups powdered sugar
  • 1/2 cup chocolate chips
  • 1 cup miniature Reese’s peanut butter cups halved
  • vanilla ice cream for serving

Method
 

  1. Preheat oven to 350°F (175°C) and grease a 9x13-inch baking dish.
  2. Prepare the chocolate cake mix according to package instructions. Pour the batter into the prepared baking dish and spread evenly.
  3. In a bowl, beat cream cheese, butter, peanut butter, and vanilla until smooth. Gradually mix in powdered sugar until thick and creamy.
  4. Spread the peanut butter mixture over the cake batter. Sprinkle chocolate chips and halved Reese’s cups on top, pressing lightly.
  5. Bake for 45-50 minutes until set but still slightly gooey in the center. Do not overbake.
  6. Cool completely before slicing. Serve with vanilla ice cream.

Notes

Drizzle with chocolate or peanut butter sauce for extra richness. Best served slightly warm with ice cream.