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An extreme close-up of a fork cutting into a slice of chocolate peanut butter dump cake, with melted chocolate and peanut butter visible.

Chocolate Peanut Butter Dump Cake: The Easiest, Most Decadent Dessert

This Chocolate Peanut Butter Dump Cake is the ultimate easy dessert! Made with just 5 ingredients, this recipe layers chocolate cake mix, peanut butter, and Reese's cups for a gooey, decadent treat that's ready in under an hour.
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Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 12 servings
Course: Dessert
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • 1 cup semi-sweet chocolate chips
  • 1.5 cups chopped Reese's Peanut Butter Cups about 15 standard-sized cups
  • 1 cup creamy peanut butter
  • 1 box (15.25 oz) devil's food or chocolate fudge cake mix
  • 0.75 cup unsalted butter melted (1.5 sticks)

Equipment

  • 1 9x13 inch Baking Dish
  • 1 Microwave-safe Bowl

Instructions
 

  1. Preheat oven to 350°F (175°C). Lightly grease a 9x13 inch baking dish.
  2. Sprinkle the semi-sweet chocolate chips evenly across the bottom of the dish, followed by the chopped Reese's Peanut Butter Cups.
  3. In a microwave-safe bowl, heat the peanut butter for 30-45 seconds until smooth and pourable. Drizzle evenly over the candy layer.
  4. Sprinkle the dry chocolate cake mix evenly over the peanut butter layer.
  5. Pour the melted butter over the cake mix, covering as much of the surface as possible. Do not stir.
  6. Bake for 35-40 minutes, until the top is set and the edges are bubbly.
  7. Let the cake cool for at least 15 minutes before serving. Serve warm, topped with vanilla ice cream or whipped cream if desired.

Notes

Do Not Stir: The key to a perfect dump cake is to layer the ingredients without mixing them.
Serving Suggestion: This cake is best served warm to get the full effect of the molten, gooey center.
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