Go Back
Peanut Butter Cup Dump Cake

Peanut Butter Cup Dump Cake

Emily
A rich, gooey, chocolate and peanut butter dessert loaded with candy and baked to perfection—this dump cake is a party favorite and weeknight winner.
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 14
Calories 350 kcal

Ingredients
  

  • 1 box chocolate cake mix
  • 1 cup creamy peanut butter
  • 1 cup milk
  • 1 cup chocolate chips
  • 1 cup peanut butter cups chopped
  • ½ cup vegetable oil
  • 3 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup powdered sugar optional, for topping

Instructions
 

  • Preheat oven to 350°F (175°C). Grease a 9x13-inch baking dish.
  • In a large bowl, mix cake mix, peanut butter, milk, oil, eggs, and vanilla until smooth.
  • Fold in chocolate chips and half the chopped peanut butter cups.
  • Pour batter into pan and smooth the top. Sprinkle remaining candy on top.
  • Bake 30–35 minutes until set and a toothpick comes out with moist crumbs.
  • Cool for 20–30 minutes. Optionally dust with powdered sugar or drizzle with chocolate.
  • Serve warm or chilled.

Notes

  • Use creamy shelf-stable peanut butter (not natural).
  • Add texture with pretzels or sea salt.
  • Great with ice cream or whipped cream.
  • Freezer-friendly; store slices for up to 2 months.
  • Can be made as cupcakes (bake 18–22 minutes).