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Reese’s Peanut Butter Earthquake Cake Recipe

4.9 from 111 reviews

A decadent and indulgent Reese’s Peanut Butter Earthquake Cake combining rich chocolate cake with creamy peanut butter, crushed and chopped Reese’s peanut butter cups, topped with whipped cream and a luscious chocolate drizzle. Perfect for peanut butter and chocolate lovers seeking a show-stopping dessert.

Ingredients

Scale

Cake

  • 1 box chocolate cake mix
  • Ingredients required for cake mix (usually eggs, oil, and water)

Peanut Butter Mixture

  • 1 jar (16 oz) creamy peanut butter
  • 2 cups powdered sugar

Toppings

  • 1 cup crushed Reese’s peanut butter cups
  • 1 cup mini Reese’s peanut butter cups, chopped
  • 1 tub (8 oz) whipped topping (like Cool Whip)

Chocolate Drizzle

  • 1 cup semi-sweet chocolate chips
  • 2 tablespoons butter
  • 1/4 cup heavy cream

Instructions

  1. Preheat the Oven: Preheat the oven to the temperature specified on the chocolate cake mix box to ensure the cake bakes evenly.
  2. Prepare the Cake Batter: Follow the instructions on the cake mix box to prepare the cake batter using the required ingredients such as eggs, oil, and water. Pour the batter into a greased baking dish to prevent sticking.
  3. Make Peanut Butter Mixture: In a bowl, combine the creamy peanut butter and powdered sugar. Mix thoroughly until the mixture is smooth and spreadable.
  4. Add Peanut Butter Drops: Drop spoonfuls of the peanut butter mixture evenly over the chocolate cake batter to create pockets of peanut butter flavor within the cake.
  5. Sprinkle Reese’s Cups: Sprinkle the crushed and chopped Reese’s peanut butter cups over the batter to add texture and peanut butter-chocolate bursts.
  6. Bake the Cake: Bake the cake according to the cake mix instructions, usually around 25-35 minutes, until a toothpick inserted in the center comes out clean.
  7. Cool and Add Whipped Topping: Allow the cake to cool slightly, then spread the whipped topping evenly over the surface for a creamy finish.
  8. Prepare Chocolate Drizzle: Melt the semi-sweet chocolate chips, butter, and heavy cream together gently until smooth. Drizzle this rich chocolate sauce over the whipped topping for extra decadence.
  9. Set Before Serving: Let the cake set at room temperature or in the fridge for a short time so the drizzle firms up slightly before slicing and serving.

Notes

  • Use a greased baking dish to prevent sticking and ensure easy removal.
  • Allow the cake to cool slightly before spreading the whipped topping to prevent melting.
  • For best flavor, use fresh Reese’s peanut butter cups.
  • The chocolate drizzle can be warmed gently in a microwave or double boiler to avoid burning.
  • Store leftovers in the refrigerator covered tightly; consume within 3-4 days.

Keywords: Reese’s peanut butter cake, chocolate peanut butter cake, peanut butter dessert, easy chocolate cake, peanut butter cups dessert