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Peanut Butter Cup Dump Cake

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Peanut Butter Cup Dump Cake is a rich and gooey dessert made by layering chocolate cake mix, peanut butter mixture, and peanut butter cups, then baking into a molten-style cake with minimal effort. It delivers a perfect chocolate–peanut butter flavor combination in every bite.

  • Author: Sophia
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 12 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: International
  • Diet: Vegetarian

Ingredients

  • 1 box chocolate cake mix (about 430 g)
  • 1 cup creamy peanut butter (240 g)
  • 1 cup milk (240 ml)
  • 1/2 cup unsalted butter, melted (115 g)
  • 1 teaspoon vanilla extract
  • 1 1/2 cups chopped peanut butter cups (about 250 g)
  • 1/2 cup semi-sweet chocolate chips (90 g)
  • 1/4 teaspoon salt

Instructions

  1. Preheat oven to 180°C (350°F) and grease a 9×13-inch baking dish.
  2. Spread chopped peanut butter cups evenly across the bottom of the dish.
  3. Sprinkle chocolate chips evenly over the peanut butter cups.
  4. In a bowl, whisk together milk, melted butter, vanilla extract, and peanut butter until smooth.
  5. Pour the peanut butter mixture evenly over the chocolate layer without mixing.
  6. Sprinkle dry chocolate cake mix evenly over the top.
  7. Bake for 35–40 minutes until the top is set and slightly crisp but the center remains gooey.
  8. Let cool for 10 minutes before serving warm.

Notes

  • Do not stir layers before baking to maintain gooey texture.
  • Serve warm for best molten consistency.
  • Use crunchy peanut butter for added texture.
  • Pair with vanilla ice cream for extra richness.
  • Store leftovers in the refrigerator for up to 4 days.

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