Peanut Butter Cup Dump Cake is the ultimate indulgent dessert—warm, gooey, and packed with the rich flavors of chocolate and peanut butter. This incredibly easy treat comes together with just a handful of ingredients and no mixing bowls required. Just layer everything in a baking dish, pop it in the oven, and enjoy the molten, cake-like magic that happens.
At the heart of this dump cake are peanut butter cups, which melt into the cake mix to create a fudgy, candy-studded center. Perfect for potlucks, family dinners, or last-minute guests, this recipe delivers bold flavor with very little effort. It’s a dream come true for peanut butter lovers!

2. Ingredients Needed
Making Peanut Butter Cup Dump Cake is as simple as layering and baking. The magic happens in the oven—no mixing required! Below are the key ingredients that create the rich, chocolatey, and peanut-buttery layers of this indulgent dessert.
Main ingredients:
-
1 box chocolate cake mix – Any brand of devil’s food or chocolate fudge cake mix works best for deep chocolate flavor.
-
1 (3.9 oz) box instant chocolate pudding mix – Optional but adds gooey richness and moisture.
-
1 1/2 cups milk – To activate the pudding mix and soften the cake layers.
-
1 (14 oz) can sweetened condensed milk – Adds a caramel-like texture and enhances sweetness.
-
1 cup creamy peanut butter – Swirled in for intense peanut butter flavor.
-
1 1/2 cups chopped peanut butter cups – The star of the show—melty and sweet.
-
1/2 cup melted butter – Helps the cake mix bake into a soft, fudgy topping.
Optional toppings:
-
Whipped cream or vanilla ice cream – For serving.
-
Extra peanut butter cups or chocolate chips – For garnish.
For more information on Reese’s-style candy, see Wikipedia’s peanut butter cup article. You can also find creative mix-in and topping ideas on Pinterest’s peanut butter dump cake boards.
3. Tools & Equipment
Making Peanut Butter Cup Dump Cake doesn’t require a mixer or any fancy tools—just a few basics and a baking dish to let the layers come together perfectly in the oven.
Essential tools:
-
9×13-inch baking dish – The ideal size to ensure even baking and gooey layers.
-
Measuring cups and spoons – For accuracy with wet ingredients and peanut butter.
-
Microwave-safe bowl – For melting the butter and peanut butter.
-
Spoon or spatula – To drizzle and spread ingredients without overmixing.
-
Knife or scoop – For serving once baked.
-
Oven mitts – Essential for safely removing the hot dish from the oven.
For ideas on how to serve and style dump cakes, check out Pinterest’s chocolate dessert boards for party-ready presentations.
4. How to Make Peanut Butter Cup Dump Cake: Step-by-Step Instructions
This dump cake lives up to its name—there’s no mixing, just layering and baking. The result is a rich, decadent dessert that tastes like a gooey chocolate-peanut butter lava cake.
Step 1: Preheat oven
-
Preheat your oven to 350°F (175°C).
-
Lightly grease your 9×13-inch baking dish with cooking spray or butter.
Step 2: Add the pudding layer (optional but delicious)
-
Whisk together instant chocolate pudding mix and milk in a bowl.
-
Pour the mixture evenly into the bottom of the prepared dish.
Step 3: Drizzle sweetened condensed milk
-
Pour the sweetened condensed milk evenly over the pudding layer.
Step 4: Swirl in peanut butter
-
Slightly warm the peanut butter in the microwave (10–15 seconds) to make it easier to drizzle.
-
Spoon it over the condensed milk in small dollops or swirls.
Step 5: Add chopped peanut butter cups
-
Sprinkle chopped peanut butter cups evenly across the dish.
Step 6: Add dry cake mix
-
Evenly sprinkle the dry chocolate cake mix over the top—do not stir.
Step 7: Finish with melted butter
-
Drizzle the melted butter over the entire surface, covering as much of the cake mix as possible.
Step 8: Bake and cool
-
Bake for 35–45 minutes, or until the top looks set and bubbly.
-
Cool for 15–20 minutes before serving for neater slices.
For visual inspiration, explore Pinterest’s dump cake tutorials to see how layering creates that signature molten texture.
5. Variations of Peanut Butter Cup Dump Cake
This decadent dump cake can be adapted in many creative ways depending on your flavor preferences and what you have on hand.
Brownie base variation
-
Swap the chocolate cake mix for a brownie mix for an extra fudgy version.
Salted peanut butter cup cake
-
Add a sprinkle of sea salt over the top before baking for a salty-sweet twist.
Banana peanut butter dump cake
-
Add sliced bananas under the pudding layer for a chocolate banana dessert.
Nutty crunch topping
-
Top with crushed peanuts or toffee bits for extra texture.
Gluten-free version
-
Use a gluten-free chocolate cake mix and check that your peanut butter cups are gluten-free.
Mini dump cakes
-
Bake in ramekins or muffin tins for individual servings.
For even more fun twists, check out Pinterest’s peanut butter dessert boards for seasonal flavors and topping ideas.

6. Storage and Make-Ahead Tips
Peanut Butter Cup Dump Cake stores well and reheats beautifully, making it great for leftovers or prep-ahead dessert tables.
Refrigeration:
-
Store cooled leftovers in an airtight container for up to 4 days in the refrigerator.
-
Reheat in the microwave for 15–20 seconds to bring back the gooey texture.
Freezing:
-
Freeze portions in airtight containers or freezer bags for up to 2 months.
-
Thaw in the fridge overnight, then reheat before serving.
Make-ahead tips:
-
Assemble all layers except the butter and store covered in the fridge up to 1 day ahead.
-
Add melted butter and bake just before serving.
For more dump cake storage inspiration, visit Pinterest’s freezer-friendly dessert boards.
7. Serving Suggestions
This rich dessert is best served warm with toppings that balance out its sweetness and add a little flair.
Top with:
-
Whipped cream – A light topping to balance the richness.
-
Vanilla ice cream – Classic contrast to the hot cake.
-
Crushed pretzels or nuts – Add crunch and a salty twist.
-
Chocolate drizzle or extra peanut butter – For true peanut butter fanatics.
Serve at:
-
Potlucks and parties – It travels well and serves a crowd.
-
Game day spreads – A hit alongside other finger-friendly snacks.
-
Birthdays or bake sales – Kids and adults love it.
For party display ideas, browse Pinterest’s dump cake presentation boards for creative setups.
8. Nutrition Information
This dessert is indulgent, so it’s best enjoyed in moderation or as part of a celebration. Here’s an approximate breakdown per serving (based on 12 servings):
-
Calories: 450–500
-
Fat: 25–28g
-
Carbohydrates: 50–55g
-
Sugar: 35–40g
-
Protein: 6–7g
Lighter options:
-
Use reduced-fat peanut butter and less condensed milk.
-
Try sugar-free pudding mix and a light cake mix for a slimmed-down version.
-
Serve with fruit instead of ice cream for balance.
You can learn more about cake mix nutrition and history on Wikipedia’s cake mix page.
9. Expert Tips for Perfect Dump Cake Texture
For a gooey center and crisp edges every time, use these pro tips:
-
Don’t stir the layers—this helps the dump cake texture develop correctly.
-
Drizzle butter evenly so the top doesn’t stay powdery.
-
Use room temperature ingredients for more even baking.
-
Let it cool slightly before slicing to help it firm up.
-
Line the baking dish with parchment if you want easier cleanup.
For expert dessert layering ideas, explore Pinterest’s baking tips boards.
10. Troubleshooting Common Problems
Dry spots on top
-
Caused by uneven butter drizzle—make sure most of the dry cake mix is moistened.
Too soupy in the middle
-
May need more baking time. Bake until the top is set and bubbling.
Cake mix still powdery
-
Add a few extra tablespoons of melted butter or drizzle milk over dry patches before baking.
Burnt edges
-
Use a glass or ceramic baking dish for more even heat distribution, and check at the 30-minute mark.
Peanut butter clumps
-
Slightly warming the peanut butter before drizzling helps it blend more evenly.
11. Peanut Butter Cup Dump Cake for Special Diets
This dessert can be customized for different dietary needs with a few simple substitutions.
Gluten-free
-
Use a certified gluten-free cake mix and peanut butter cups.
Vegetarian
-
All ingredients are vegetarian-friendly by default.
Dairy-free
-
Swap in dairy-free sweetened condensed milk, plant-based butter, and non-dairy chocolate.
Lower-sugar
-
Use sugar-free pudding mix, reduced-sugar cake mix, and sugar-free peanut butter.
Nut-free
-
Substitute peanut butter with sunflower seed butter and use nut-free chocolate candies.
More dietary-friendly dessert options can be found on Pinterest’s allergy-conscious baking boards.

12. FAQ – People Also Ask
Can I make this without pudding mix?
Yes! It will be less gooey, but still delicious. You can increase the peanut butter for extra creaminess.
Can I use chunky peanut butter?
Yes, it adds texture. Just make sure to warm it slightly before drizzling.
Can I use homemade peanut butter cups?
Absolutely. Just chop them into small pieces and use as directed.
Can this be made in a slow cooker?
Yes. Cook on low for 2–3 hours until the top is set and bubbling.
Do I need to stir the layers?
No—just dump and bake! Stirring changes the texture.
What if I want it more cake-like?
Use less condensed milk or skip the pudding layer for a more cakey finish.
How to Make Peanut Butter Cup Dump Cake – A No-Fuss Chocolate Lover’s Dream
Peanut Butter Cup Dump Cake is a rich, gooey dessert made by layering chocolate cake mix, peanut butter cups, condensed milk, and creamy peanut butter—no mixing required. It bakes into a molten, fudgy treat that’s perfect for any sweet occasion.
- Author: Andrea
Ingredients
-
1 box chocolate cake mix
-
1 box instant chocolate pudding mix (3.9 oz)
-
2 cups milk
-
1 cup peanut butter, melted
-
12–16 mini peanut butter cups, halved or chopped
-
1/2 cup chocolate chips (optional)
-
1/4 cup melted butter
Instructions
-
Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
-
In a bowl, whisk together the instant pudding mix and milk until thickened, about 2 minutes.
-
Pour the pudding evenly into the bottom of the prepared baking dish.
-
Drizzle the melted peanut butter over the pudding layer.
-
Sprinkle the dry chocolate cake mix evenly over the top. Do not stir.
-
Evenly distribute chopped peanut butter cups and chocolate chips (if using) over the cake mix.
-
Drizzle melted butter over the top to help moisten the cake mix.
-
Bake for 35 to 40 minutes, or until the edges are set and the center is bubbly. The top will be soft and slightly gooey.
-
Let cool for at least 15 minutes before serving. Serve warm as-is or with ice cream.
Notes
-
Don’t stir the ingredients—layering creates the best texture.
-
Use room temperature butter and peanut butter for easier drizzling.
-
Let the cake cool slightly before serving so it sets.
-
Bake uncovered for a crispy top and gooey center.
-
Serve warm with ice cream for the ultimate dessert.



