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–+ servings
A close-up shot of a rectangular glass baking dish filled with a moist, dark chocolate cake base and creamy peanut butter swirls. (Chocolate Peanut Butter Dump Cake)
FL Recipes

Chocolate Peanut Butter Dump Cake: The Ultimate Gooey Marbled Dessert

An easy, decadent Chocolate Peanut Butter Dump Cake featuring a moist dark cocoa base, thick creamy peanut butter swirls, and a glossy melted chocolate chip finish. Perfect for home cooks seeking a molten, fudgy dessert.
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Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 12 slices
Course: Dessert
Cuisine: American
Calories: 410
Ingredients Equipment Method Nutrition Notes

Ingredients
  

Recipe Ingredients
  • 1 box (432g) Dark Chocolate Cake Mix Devil's Food or Deep Dark Chocolate
  • 1 cup (240ml) Whole Milk Ensures a moist sponge
  • 1 tsp (5ml) Vanilla Extract Flavor enhancer
  • 1.5 cups (375g) Creamy Peanut Butter No-stir variety recommended
  • 2 cups (340g) Semi-Sweet Chocolate Chips For the glossy melted layer
  • 0.75 cup (170g) Unsalted Butter Thinly sliced
  • 0.5 tsp (3g) Sea Salt To balance the sweetness

Equipment

  • 1 9x13 inch glass baking dish Glass is essential for the crisp edges and molten center.
  • 1 Offset Spatula Used for leveling the base and creating swirls.

Method
 

Preparation
  1. Preheat oven to 350°F (175°C) and grease a 9x13 inch rectangular glass baking dish.
  2. Spread dry cake mix into the dish, pour milk and vanilla over it, and zig-zag with a fork to hydrate the cocoa base.
Swirling and Topping
  1. Dollop warmed peanut butter over the base and use a knife to create thick, marbled swirls.
  2. Scatter chocolate chips and cover the surface with thin butter slices and sea salt.
Baking
  1. Bake for 35-40 minutes until edges are crisp and center is molten and gooey.

Nutrition

Calories: 410kcalProtein: 6gFat: 24gFiber: 3g

Notes

Do not overmix the cake base or you will lose the 'dump cake' texture.
Check for dry spots at the 20-minute mark and add butter if needed.
Keyword Chocolate Peanut Butter Dump Cake,dump cake recipe,Peanut Butter Chocolate Dessert

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