Hey y’all! Looking for a simple yet delightful dessert that will get everyone talking? Look no further than this Peanut Butter Cup Dump Cake! It’s a delicious fusion of rich chocolate and creamy peanut butter, ideal for birthdays, potlucks, or just a cozy night in. Trust me, you won’t be able to stop at just one slice. Let’s get cooking!
Why You’ll Love This Peanut Butter Cup Dump Cake
- Quick and easy: Perfect for when you’re short on time but need a sweet treat.
- Minimal cleanup: Just one pan needed, making it a breeze to clean up.
- Decadent flavors: Combines the irresistible duo of chocolate and peanut butter.
- Versatile: Great for any occasion, from casual gatherings to special events.
- No special skills required: Even beginners can nail this recipe!
Ingredients
- 1 box (15.25 oz) chocolate cake mix
- 3/4 cup peanut butter cups, chopped
- 1/2 cup creamy peanut butter
- 1/2 cup melted butter
- 1 cup milk
- 1/4 cup chocolate chips
Directions
Step 1: Preheat and Prepare
Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
Step 2: Layer the Ingredients
Sprinkle the chocolate cake mix evenly across the bottom of the prepared baking dish. Add the chopped peanut butter cups over the cake mix.

Step 3: Add the Wet Ingredients
In a microwave-safe bowl, melt the peanut butter with the butter. Stir until smooth. Pour the melted mixture and milk evenly over the dry ingredients in the baking dish.
Step 4: Bake
Sprinkle the chocolate chips on top and bake for 35-40 minutes, or until the cake is set and slightly golden on top.
Notes
- For a less sweet option, use dark chocolate chips. Learn more about different types of chocolate.
- If you prefer a gooey center, slightly underbake the cake.
- You can use crunchy peanut butter for added texture.
Variations
- Nut-Free Version: Replace peanut butter cups with chocolate chips and use sunflower seed butter.
- Gluten-Free Option: Substitute the regular cake mix with a gluten-free cake mix.
- Extra Chocolatey: Use a chocolate fudge cake mix for deeper chocolate flavor.
Required Equipment
- 9×13-inch baking dish
- Mixing bowl
- Microwave-safe bowl
Storage Instructions
Store leftover Peanut Butter Cup Dump Cake in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.

Suggested Pairings
Serve your cake warm with a scoop of vanilla ice cream or a dollop of whipped cream for an indulgent treat.
Pro Tips
- For a richer flavor, use a chocolate cake mix with pudding. Check out this chocolate cake guide.
- Do not overmix the ingredients; simply layer as instructed for best results.
- If reheating, warm individual slices in the microwave for about 15-20 seconds.
FAQ
- Can I use a different type of cake mix? Yes, a vanilla or yellow cake mix can be used for a different flavor profile.
- Is it necessary to chop the peanut butter cups? Chopping them ensures they melt evenly and distribute throughout the cake.
- Can this be made ahead? Absolutely! It’s perfect for making a day in advance. Just reheat gently before serving.