Desserts

Chocolate Peanut Butter Dump Cake

Name: Chocolate Peanut Butter Dump Cake
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: American
Ingredients: 1 box chocolate cake mix; 1 cup creamy peanut butter; 1 cup water; 1 cup chocolate chips; 1 cup milk; 1 cup powdered sugar; 1 container whipped topping (optional)

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This Chocolate Peanut Butter Dump Cake is an easy, cozy dessert that combines rich chocolate and creamy peanut butter in one pan. It bakes up moist and fudgy with pockets of melted chocolate chips and a sweet powdered-sugar glaze. The smell while baking is warm and chocolatey, and the texture is soft with a slightly gooey center. If you enjoy a similar flavor profile, check out this chocolate peanut butter poke cake for another easy twist.

Recipe Information

Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 12
Difficulty Level: Easy

Nutrition Information

Approximate per serving (1 of 12):

Calories per serving: 330 kcal
Protein: 8 g
Carbohydrates: 43 g
Fat: 18 g
Fiber: 3 g
Sugar: 25 g
Sodium: 280 mg

Why Make This Chocolate Peanut Butter Dump Cake

This cake is fast, forgiving, and crowd-pleasing. You don’t need special tools or skills — just a bowl, a spoon or mixer, and a baking dish. It hits sweet and nutty notes at once: peanut butter gives a creamy, savory depth while chocolate provides rich, slightly bitter balance. It’s great for potlucks, weeknight desserts, or anytime you want a comforting sweet without fuss.

How to Make Chocolate Peanut Butter Dump Cake

This recipe is a true dump cake: simple assembly, minimal steps, and big flavor. Read the short directions below and prep your ingredients before you start baking.

Ingredients:

1 box chocolate cake mix
1 cup creamy peanut butter
1 cup water
1 cup chocolate chips
1 cup milk
1 cup powdered sugar
1 container whipped topping (optional)

Directions:

Step 1: Preparation

Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish well with butter or nonstick spray to prevent sticking and to crisp the edges slightly while baking.

Step 2: Mixing

In a large bowl, combine the chocolate cake mix, 1 cup creamy peanut butter, and 1 cup water. Beat or mix until the batter is smooth and well blended. Scrape down the sides so the peanut butter is fully incorporated.

Step 3: Cooking

Pour the batter into the prepared baking dish and spread evenly. Sprinkle 1 cup chocolate chips over the batter in an even layer. Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean or with a few moist crumbs. The top should feel set and slightly springy.

Step 4: Finishing

In a separate bowl, whisk together 1 cup milk and 1 cup powdered sugar until smooth to make a thin glaze. Once the cake is baked, let it cool for 10–15 minutes, then drizzle the milk mixture over the warm cake so it soaks into the surface. Optionally, spread or dollop whipped topping before serving for extra creaminess.

How to Serve Chocolate Peanut Butter Dump Cake

Serve warm for the best gooey texture. Add a scoop of vanilla ice cream or a dollop of whipped topping for contrast. Garnish with extra chocolate chips or a sprinkle of chopped peanuts for crunch. This cake works well for casual family dinners, potlucks, or as a cozy weekend treat.

How to Store Chocolate Peanut Butter Dump Cake

Room temperature: Cover tightly and keep at room temperature for up to 2 days.
Refrigerator: Store in an airtight container for 4–5 days. Bring to room temperature or microwave individual slices for a few seconds before serving.
Freezer: Wrap tightly in plastic and foil, or place in a freezer-safe container for up to 2 months. Thaw overnight in the fridge, then warm briefly before serving.

Expert Tips for Perfect Chocolate Peanut Butter Dump Cake

Use creamy peanut butter for smooth mixing. If using natural peanut butter, stir well first; it may make the batter thinner.
For extra fudginess, check the cake at 30 minutes and avoid overbaking. A slight jiggle in the center is fine.
Let the cake cool a bit before adding the milk glaze so it absorbs without becoming soggy.
If you want a richer glaze, substitute half the milk with heavy cream.
To prevent chocolate chips from sinking, chill them briefly or toss them lightly in a tablespoon of cake mix before sprinkling.
If you prefer less sweetness, reduce the powdered sugar in the glaze by 1/4 cup.

Delicious Variations

Salted Peanut Butter: Use salted peanut butter and sprinkle flaky sea salt on top for a sweet-salty contrast.
Nutella Twist: Swap half the peanut butter for Nutella for a hazelnut-chocolate variation.
Peanut Butter Swirl: Drop small spoonfuls of peanut butter on top of the batter and swirl gently with a knife before baking.
Fruit Addition: Add a cup of sliced bananas or strawberries on top after baking for fresh fruit balance.
Crunchy Top: Sprinkle crushed pretzels or chopped peanuts over the whipped topping for texture.

Frequently Asked Questions

Can I use crunchy peanut butter instead of creamy?
Yes. Crunchy peanut butter adds texture and a nutty bite. It may make mixing slightly trickier, but the flavor is great.
Do I need eggs or oil for this cake?
This dump cake uses only the cake mix, peanut butter, and water as written. The peanut butter adds fat and richness so extra oil or eggs aren’t necessary. If your cake mix requires eggs on the box and you want to follow those instructions, you can, but the simple version works well.
Can I make this in a smaller pan?
You can bake in an 8×8-inch pan, but baking time will change. Start checking at 25 minutes and bake until a toothpick comes out clean. The cake will be thicker and may need a few more minutes.
How do I prevent the cake from drying out?
Don’t overbake. Remove it when the center is just set. Cooling slightly before glazing locks in moisture. Store leftovers covered to keep them soft.
Can I skip the powdered sugar glaze?
Yes. You can dust with cocoa powder, sifted powdered sugar, or simply top with whipped topping. The cake is still very flavorful without the glaze.
Is this recipe allergy-friendly?
This recipe contains peanuts and dairy. For nut-free, substitute sunflower seed butter (note: flavor will change). For dairy-free, use non-dairy milk and a dairy-free whipped topping.

Conclusion

This Chocolate Peanut Butter Dump Cake is a simple, comforting dessert that delivers deep chocolate flavor and creamy peanut butter with very little fuss. It’s perfect for busy nights or last-minute gatherings and adapts well to your favorite twists. For another decadent take on this flavor combo, see this version on Death by Chocolate Peanut Butter Dump Cake – The Cookin Chicks. Give it a try — the warm, gooey bites are worth it.