This rich, gooey Peanut Butter Cup Dump Cake is the ultimate easy dessert for anyone who loves chocolate and peanut butter. With just a few simple ingredients and minimal prep, this indulgent treat comes together in one pan. It’s the perfect make-ahead dessert for potlucks, celebrations, or weeknight cravings—without the extra guilt.
Why You’ll Love This Recipe
One-Pan Wonder: Everything goes into one dish—mix, bake, and enjoy.
Chocolate & Peanut Butter Combo: A classic pairing that’s always a crowd favorite.
Lighter Ingredients: Made with smart swaps to keep things balanced and flavorful.
Minimal Effort, Maximum Flavor: Dump, bake, and dig in—no mixer needed.
Ingredients
Main Ingredients
- 1 box sugar-free chocolate cake mix
- 1 1/4 cups unsweetened almond milk (or any low-fat milk)
- 1/3 cup powdered peanut butter (like PB2)
- 2 eggs
- 1/2 cup sugar-free peanut butter chips or chopped light peanut butter cups
- 1/4 cup unsweetened applesauce
- 1 tsp vanilla extract
- Pinch of salt
Optional Topping
- 2 tbsp sugar-free chocolate syrup
- Extra chopped peanut butter cups (for garnish)
Instructions
Preheat & Prepare
- Preheat oven to 350°F (175°C).
- Lightly grease a 9×13-inch baking dish with nonstick spray.
Mix Ingredients
- In a large mixing bowl, whisk together the chocolate cake mix, almond milk, powdered peanut butter, applesauce, eggs, vanilla extract, and salt until well combined.
Add the Extras
- Fold in the peanut butter chips or chopped peanut butter cups.
- Pour the batter into the prepared baking dish and spread evenly.
Bake the Cake
- Bake for 30–35 minutes, or until the center is set and a toothpick comes out mostly clean (a little gooey is fine for a dump cake!).
Cool & Serve
- Allow to cool slightly before drizzling with chocolate syrup and garnishing with extra peanut butter cups, if using.
- Slice into 12 servings and enjoy warm or chilled.

Nutritional Information (Per Serving, Approximate)
Calories: 190 | Carbs: 22g | Fat: 7g | Protein: 5g | Sugar: 8g | Fiber: 2g
Tips for Success
- Don’t Overbake: The center should stay slightly soft and gooey for that classic dump cake texture.
- Use a Toothpick to Check Doneness: Look for moist crumbs, not raw batter.
- Chill for Clean Cuts: Refrigerate for 30 minutes before slicing if you want neater pieces.
- Boost the Peanut Butter Flavor: Add a drizzle of reconstituted powdered peanut butter before serving.
Why This Recipe Works
- Balanced Indulgence: This dessert tastes rich and satisfying while using lighter alternatives like powdered peanut butter and applesauce.
- Effortless Prep: All the ingredients are mixed together—no separate bowls or layers.
- Family-Friendly: Kids and adults alike will love the chocolate-peanut butter combo.
- Perfect for Leftovers: Stores well in the fridge and tastes even better the next day.
Peanut Butter Cup Dump Cake is the ideal solution for when you want a decadent dessert with minimal effort. With layers of rich chocolate and sweet peanut butter flavor in every bite, this lightened-up version lets you indulge smartly. It’s sure to become a go-to for special occasions—or anytime you’re craving something sweet and satisfying.
Peanut Butter Cup Dump Cake Recipe – No Mixing, All Magic
12
servings10
minutes35
minutes190
kcal45
minutesThis rich, gooey Peanut Butter Cup Dump Cake is the ultimate easy dessert for anyone who loves chocolate and peanut butter. With just a few simple ingredients and minimal prep, this indulgent treat comes together in one pan. It’s the perfect make-ahead dessert for potlucks, celebrations, or weeknight cravings—without the extra guilt.
Ingredients
Main Ingredients
1 box sugar-free chocolate cake mix
1 1/4 cups unsweetened almond milk (or any low-fat milk)
1/3 cup powdered peanut butter (like PB2)
2 eggs
1/2 cup sugar-free peanut butter chips or chopped light peanut butter cups
1/4 cup unsweetened applesauce
1 tsp vanilla extract
Pinch of salt
Optional Topping
2 tbsp sugar-free chocolate syrup
Extra chopped peanut butter cups (for garnish)
Instructions
- Preheat & Prepare
Preheat oven to 350°F (175°C).
Lightly grease a 9×13-inch baking dish with nonstick spray. - Mix Ingredients
In a large mixing bowl, whisk together the chocolate cake mix, almond milk, powdered peanut butter, applesauce, eggs, vanilla extract, and salt until well combined. - Add the Extras
Fold in the peanut butter chips or chopped peanut butter cups.
Pour the batter into the prepared baking dish and spread evenly. - Bake the Cake
Bake for 30–35 minutes, or until the center is set and a toothpick comes out mostly clean (a little gooey is fine for a dump cake!). - Cool & Serve
Allow to cool slightly before drizzling with chocolate syrup and garnishing with extra peanut butter cups, if using.
Slice into 12 servings and enjoy warm or chilled.
Notes
- Don’t Overbake: The center should stay slightly soft and gooey for that classic dump cake texture.
Use a Toothpick to Check Doneness: Look for moist crumbs, not raw batter.
Chill for Clean Cuts: Refrigerate for 30 minutes before slicing if you want neater pieces.
Boost the Peanut Butter Flavor: Add a drizzle of reconstituted powdered peanut butter before serving.