Peanut Butter Cup Dump Cake
There's something about the magic of a dump cake that makes it an instant hit with home cooks-simplicity meets indulgence in the most satisfying way. This Peanut Butter Cup Dump Cake is no exception, bringing together the rich, fudgy texture of chocolate cake with the creamy, nutty goodness of peanut butter and the playful crunch of mini peanut butter cups. It's the kind of dessert that disappears fast at potlucks, game nights, or even a quiet evening treat, leaving everyone eager for seconds. The best part? You can throw it together with minimal effort, yet it tastes like you spent hours in the kitchen.
What Makes This Recipe Special
- The two-layer technique creates a fudgy cake base topped with a silky pudding layer, ensuring every bite is moist and decadent.
- Warming the peanut butter before drizzling it over the dry cake mix allows it to melt just enough to seep into the cracks, adding a gooey, nutty richness.
- The instant pudding mix thickens on its own, acting as a glue to bind the layers together without any extra effort.
- Mini peanut butter cups are scattered throughout and on top, providing pockets of melty chocolate-peanut buttery goodness in every forkful.
Ingredients
1 boxchocolate cake mix
1 (3.9 ounce) box instant chocolate pudding mix
2 cupswhole milk
1/2 cupcreamy peanut butter
1 1/2 cupschopped mini peanut butter cups, plus extra for garnish
1/2 cupsemisweet chocolate chips (optional)
Nutrition
350 caloriesCalories
Per serving · Values are estimates
Instructions
1
Preheat oven to 350°F and grease a 9x13 inch baking dish.
2
In a medium bowl, whisk instant chocolate pudding mix with whole milk for 2 minutes until thickened.
3
Spread prepared pudding evenly into the bottom of the baking dish.
4
Distribute dry chocolate cake mix evenly over the pudding layer without mixing.
5
Warm creamy peanut butter in the microwave for 20-30 seconds until pourable, then drizzle over the surface of the cake mix.
6
Scatter chopped mini peanut butter cups and chocolate chips evenly over the top.
7
Bake for 35 to 40 minutes until the surface is set and slight cracks appear.
8
Allow to cool briefly; portion and serve warm with whipped cream or vanilla ice cream if desired.
Essential Tips
Don't skip pudding prep
Whisk the pudding mix with milk for the full 2 minutes until it thickens significantly. This prevents a soggy cake and ensures the layers stay distinct.
Peanut butter temp matters
Warm the peanut butter just until pourable-about 20-30 seconds in the microwave. Too hot, and it'll melt the chocolate cups; too cold, and it won't spread evenly.
Even distribution is key
After pouring the pudding, spread it evenly with a spatula to create a uniform base. This ensures every slice has the same perfect ratio of cake to pudding.
Watch bake time closely
Bake until the surface is set with slight cracks, about 35-40 minutes. Overbaking dries it out; underbaking leaves it gummy.
Garnish last-minute
Add extra mini peanut butter cups or chocolate chips right before serving to preserve their shape and texture.
Smart Swaps & Variations
Nut-Free
Swap peanut butter cups for Hershey's Cookies 'n' Crème chocolate bars or a mix of white and dark chocolate chips.
Gluten-Free
Use a gluten-free chocolate cake mix and ensure all other ingredients (like pudding mix) are certified gluten-free.
Extra Decadent
Add a layer of salted caramel sauce between the pudding and cake mix for a salty-sweet twist.
Vegan
Use a vegan chocolate cake mix, dairy-free milk, vegan peanut butter cups, and dairy-free chocolate chips.
What to Serve With This
- Vanilla bean ice cream or whipped cream for a classic pairing that balances the richness.
- A drizzle of warm chocolate sauce or salted caramel for an elevated finish.
- Crushed pretzels or graham crackers on the side for added texture contrast.
- A scoop of coffee ice cream to cut through the sweetness for a grown-up twist.
Storage & Reheating
Storage
Store leftovers covered at room temperature for up to 2 days or refrigerate for up to 5 days. The cake retains moisture best when kept in an airtight container.
Reheating
Microwave individual portions for 20-30 seconds to restore warmth without drying out the cake. Alternatively, reheat in the oven at 300°F for 10-15 minutes for a slightly crisp top.
Expert Chef Tips
- For a deeper chocolate flavor, use a high-quality chocolate cake mix (like Ghirardelli) and add 1 tsp espresso powder to the dry cake mix before layering.
- If the cake starts browning too quickly, tent it loosely with foil halfway through baking to prevent over-caramelization.
- For a smoother peanut butter drizzle, thin the warmed peanut butter with 1-2 tsp warm water or milk before spreading.
Equipment You’ll Need
- 9x13-inch baking dish (glass or metal)
- Medium mixing bowl
- Whisk or fork
- Microwave-safe bowl (for peanut butter)
- Spatula (for spreading pudding)
Nutritional Benefits
- One serving (assuming 12 servings per dish) provides ~350 calories, 18g fat (7g saturated), and 45g carbs, with 3g fiber.
- Peanut butter adds heart-healthy monounsaturated fats and plant-based protein (~4g per serving).
- Instant pudding contributes added sugars; opt for a sugar-free mix to reduce intake by ~6g per serving.
- Dark chocolate cups (70%+ cocoa) can boost antioxidant content and reduce sugar by ~2g per serving compared to standard milk chocolate.
Reviews
No written reviews yet — be the first to cook this and share how it turned out!
Leave a Review
Frequently Asked Questions
Can I use crunchy peanut butter instead of creamy?
Yes, but creamy peanut butter spreads more evenly and creates a smoother texture. If using crunchy, chop the peanut butter lightly before warming to avoid large chunks.
What's the best way to chop peanut butter cups evenly?
Freeze the peanut butter cups for 10 minutes first-they'll be firmer and easier to chop cleanly. Use a serrated knife for clean cuts.
Can I make this ahead and bake later?
Absolutely! Assemble the cake as directed, cover, and refrigerate for up to 24 hours. Add 5-10 minutes to the bake time if baking cold.
Why did my cake turn out too dense or gummy?
Overmixing the pudding or baking too long can cause density. Ensure pudding is whisked just until thickened, and pull the cake when the top is set but still slightly soft.
Can I substitute milk with a non-dairy option?
Yes, use any unsweetened milk alternative (like almond, oat, or coconut milk) in equal amounts. Coconut milk adds a subtle richness, while almond milk keeps it neutral.
What's the best pan size for this recipe?
A 9x13-inch dish is ideal for even cooking and layer distribution. If using a smaller pan, adjust bake time and check for doneness early.
Why are there cracks on top of the cake?
Cracks are normal and occur as the cake sets during baking. They're a sign of proper doneness and don't affect flavor-just cover them with whipped cream when serving!
Can I add other mix-ins like nuts or marshmallows?
Yes! Toasted pecans or chopped salted almonds add crunch, while mini marshmallows toasted in the last 5 minutes of baking add a fun twist.
More Sweet Comfort
🔒 From the Vault — 43,000+ premium recipes
Cook This Next