Peanut Butter Cup Dump Cake Recipe – Cozy, chocolatey comfort in every bite

Introduction

The kitchen smells like melted chocolate and peanut butter—warm, nostalgic, and impossible to ignore. I call this one my Peanut Butter Cup Dump Cake because it’s fast, forgiving, and tastes like a hug. This always takes me back to Sunday dinners. Also, if you like simple frostings, I learned a trick from my buttercream icing guide that works great with a scoop of ice cream.

Why You’ll Love This

• Fast prep: whisk, fold, and bake in under 15 minutes of hands-on time.
• Crowd-pleaser: kids and adults both love the peanut butter surprise.
• Budget-friendly: pantry staples, plus a single bag of mini cups.
• Minimal cleanup: one bowl and one pan.

Quick Recipe Snapshot

• Servings: 9–12 squares
• Prep time: 10 minutes
• Cook time: 25 minutes
• Total time: 35 minutes
• Skill level: Easy
• Taste: sweet + chocolatey + peanut-butter rich

You can make this confidently even if you’re rushed or feeding picky eaters.

Ingredients You’ll Need

• 1 (15.25 oz) box chocolate cake mix
• 1 (3.4 oz) box chocolate instant pudding mix
• 1 ¾ cups milk
• 1 (8 oz) package mini Reese’s PB Cups, chopped

Chef notes:

• Use whole milk for richer texture.
• Chop PB cups roughly for pockets of peanut butter.
• Grease the pan well for easy slicing.

Also try a peanut-butter dessert twist from this Amish Peanut Butter Cream Pie for a party follow-up.

How to Make It

1. First, preheat the oven to 350°F and spray a 13×9-inch baking dish with non-stick spray. The warm oven helps the batter puff nicely.
2. Next, whisk the milk and chocolate instant pudding mix in a large bowl until smooth and glossy. You should see the mix dissolve and thicken slightly.
3. Then, add the chocolate cake mix to the pudding. Stir firmly until everything combines into a thick, luscious batter. It will feel dense but spreadable.
4. Meanwhile, chop the mini Reese’s PB Cups coarse enough that you get bites, not mud.
5. Fold the chopped PB Cups into the batter so they distribute evenly. You’ll notice little flecks of peanut butter throughout.
6. Pour the batter into the prepared dish and smooth the top with a spatula. Aim for an even layer for consistent baking.
7. Bake for about 25 minutes. The edges should pull away a touch from the pan and a toothpick in the center should come out clean or with a few moist crumbs. The aroma will get irresistible—this is your cue.
8. Finally, cool slightly before slicing. Serve warm with whipped cream or vanilla ice cream, and sprinkle extra chopped PB Cups on top for a pretty finish. For a different twist, I sometimes follow the baking rhythm I use in my apple butter cake to gauge doneness.

Kitchen Tips (From My Kitchen)

1. Time-saver: Chop PB cups while the oven preheats to save minutes.
2. Common mistake + fix: If batter seems too dry, add 1–2 tablespoons milk; you should get a thick but spreadable batter.
3. Simple variation: Stir in a teaspoon of instant espresso for a deeper chocolate note.

Serving Ideas

• Weeknight dessert: warm slice with vanilla ice cream and a drizzle of chocolate syrup.
• Casual party: cut into small squares and top each with whipped cream and a mini PB cup.
• Cozy brunch: serve alongside coffee and toasted nuts for texture.
• Holiday tray: garnish with chopped candy and sea salt for a festive kick; pair well with a buttery loaf like butter pecan cake loaf.

Storing & Leftovers

• Fridge: Store in an airtight container for 3–4 days.
• Freezer: Freeze individual slices up to 2 months; wrap tightly.
• Reheat: Warm gently in a 300°F oven for 8–10 minutes to keep texture.
  Leftover idea: Turn a slice into an ice cream sandwich between two cookies.

FAQs

Q: Can I make this ahead?
A: Yes—bake the day before, then warm briefly before serving or serve at room temperature.

Q: Any substitutions for the instant pudding?
A: You can skip the pudding, but the cake will be drier; adding an extra 2–3 tablespoons milk helps.

Q: How do I know it’s done?
A: A toothpick should come out clean or with a few moist crumbs and the edges should look set and slightly pulled from the pan.

Q: Can I freeze Peanut Butter Cup Dump Cake?
A: Yes, freeze cooled slices wrapped tightly; thaw in the fridge overnight and warm gently before serving.

Final Thoughts

This dump cake feels like a small, indulgent shortcut for busy nights and lazy weekends. Please try it, make it your own, and tell me how you like it sprinkled or sauced—Chef Serge wants to know. Peanut Butter Cup Dump Cake

Conclusion

For another take on the same idea, check out a similar recipe at Dinners, Dishes, and Desserts’ Peanut Butter Cup Dump Cake. If you want a slightly different texture, see the Chocolate Peanut Butter Dump Cake on Mom Loves Baking.

Peanut Butter Cup Dump Cake

This Peanut Butter Cup Dump Cake is a fast, easy treat that brings the warm, nostalgic flavors of chocolate and peanut butter together in a delightful dessert, perfect for any crowd.

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 25 minutes mins

Total Time 35 minutes mins

Servings: 12 squares

Course: Dessert

Cuisine: American

Calories: 300

Ingredients Method Notes

Ingredients

  

Main Ingredients

• 1 box chocolate cake mix (15.25 oz)
• 1 box chocolate instant pudding mix (3.4 oz)
• 1.75 cups whole milk Use whole milk for richer texture.
• 1 package mini Reese’s PB Cups, chopped (8 oz) Chop PB cups roughly for pockets of peanut butter.

Method

 

Preparation

1. Preheat the oven to 350°F and spray a 13×9-inch baking dish with non-stick spray.
2. In a large bowl, whisk together the milk and chocolate instant pudding mix until smooth and glossy.
3. Add the chocolate cake mix to the pudding mixture and stir until combined into a thick, luscious batter.
4. Coarsely chop the mini Reese’s PB Cups and fold them into the batter.
5. Pour the batter into the prepared dish and smooth the top with a spatula.

Baking

1. Bake for about 25 minutes, or until the edges pull away slightly from the pan and a toothpick in the center comes out clean or with a few moist crumbs.
2. Cool slightly before slicing and serve warm with whipped cream or vanilla ice cream.

Notes

Time-saver: Chop PB cups while the oven preheats. If batter seems too dry, add 1–2 tablespoons milk. For a deeper chocolate note, stir in a teaspoon of instant espresso.