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Reese’s Peanut Butter Earthquake Cake

Reese’s Peanut Butter Earthquake Cake is a rich chocolate cake with swirls of creamy peanut butter, topped with chocolate chips and Reese’s cups. It’s sweet, gooey, and perfect for peanut butter lovers.

Ingredients
  

  • 1 box chocolate cake mix + ingredients required eggs, oil, water
  • ½ cup unsalted butter melted
  • 8 oz cream cheese softened
  • ½ cup creamy peanut butter
  • ½ tsp vanilla extract
  • 4 cups powdered sugar
  • ½ cup semi-sweet chocolate chips
  • 1 cup mini Reese’s Peanut Butter Cups halved

Instructions
 

  • Set your oven to 350°F (175°C). Grease a 9×13-inch glass baking dish or line it with parchment paper.
  • Mix the chocolate cake batter according to the box directions. Pour it into the dish and spread evenly.
  • Beat softened cream cheese and melted butter until smooth. Add peanut butter and vanilla. Mix in powdered sugar one cup at a time until fluffy.
  • Spoon the peanut butter mix over the cake batter. Swirl gently with a knife—don’t overmix. Sprinkle chocolate chips and halved Reese’s cups on top.
  • Bake for 45–55 minutes, or until mostly set. A toothpick should come out with just a few crumbs.
  • Let the cake cool slightly. Slice and serve warm, plain or with vanilla ice cream or chocolate syrup.