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Peanut Butter Cup Dump Cake

Lisa

By Lisa

Feb 26, 2026

15 min prep
30 min cook
12 servings
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Peanut Butter Cup Dump Cake

Welcome to dessert paradise! If you're craving something indulgent and irresistibly sweet, look no further than this Peanut Butter Cup Dump Cake. Bursting with chocolaty goodness, creamy peanut butter, and a delightful mix of toppings, this cake is a must-try for any sweet tooth. Prepare for a melt-in-your-mouth experience that is both gooey and decadent!

This easy, one-bowl dessert is perfect for gatherings, parties, or simply a cozy night in. The combination of rich chocolate and creamy peanut butter is sure to evoke smiles and delight in every bite. Let's dive into why this recipe is a new favorite!

Why You'll Love This Recipe

  • Quick and Easy: Just mix, pour, and bake—no complicated steps required!
  • Irresistible Flavor: The pairing of chocolate and peanut butter is a classic that never fails to impress.
  • Gooey Goodness: Each slice is filled with melty chocolate chips and swirls of peanut butter, creating a dessert that’s hard to resist.
  • Perfect for Sharing: This cake feeds a crowd, making it the ideal choice for parties and potlucks.

About the Ingredients

Chocolate Cake Mix

The foundation of this dessert, offering a rich chocolate flavor that pairs beautifully with the peanut butter.

Creamy Peanut Butter

This ingredient adds a luscious creaminess and nutty flavor that elevates the cake to another level.

Milk

Essential for achieving the perfect batter consistency, helping to create a moist cake.

Chocolate Chips

These little morsels melt into the cake, creating pockets of gooey chocolate that make every bite delightful.

Mini Peanut Butter Cups

These tiny treats not only add a fun texture but also enhance the peanut butter flavor with their rich, creamy filling.

Powdered Sugar

Used to sweeten the peanut butter mixture, it helps create a smooth and creamy texture that swirls beautifully into the cake.

Vegetable Oil

This keeps the cake moist and tender, ensuring every piece is soft and delicious.

Large Eggs

They provide structure and stability to the cake, helping it rise perfectly in the oven.

Vanilla Extract

A splash of vanilla adds depth and warmth to the flavor profile, enriching the overall taste of the cake.

Tips & Tricks

Use High-Quality Ingredients

Opt for the best chocolate and peanut butter you can find; it makes a noticeable difference in flavor.

Don't Overmix

Mix the batter just until combined to keep the cake light and fluffy.

Swirl Gently

When mixing in the peanut butter, use a gentle hand to maintain the beautiful swirls.

Let it Cool Slightly

Allow the cake to cool for a few minutes before slicing; this helps it set and makes serving easier.

Add Extra Toppings

Feel free to sprinkle some chopped nuts or drizzle chocolate sauce on top for an extra special touch.

Pro Tips

  • Choose the Right Pan: A 9x13 inch baking dish ensures even baking and a great texture.
  • Check for Doneness: Insert a toothpick into the center; it should come out clean or with a few moist crumbs.
  • Cool Before Serving: Letting it cool enhances the flavors and makes it easier to slice.
  • Store Properly: Keep any leftovers in an airtight container to maintain freshness.

Step-by-Step Instructions

Preheat the Oven

Start by preheating your oven to 350°F (175°C) and grease a 9x13 inch baking dish to prevent sticking.

Mix the Batter

In a large mixing bowl, combine the chocolate cake mix, eggs, milk, vegetable oil, and vanilla extract, stirring until smooth.

Spread the Batter

Pour the batter into the prepared baking dish, spreading it evenly to ensure even baking throughout.

Prepare the Peanut Butter Mixture

In a separate bowl, mix the creamy peanut butter and powdered sugar until well combined and smooth.

Swirl and Bake

Drop spoonfuls of the peanut butter mixture over the cake batter, gently swirling it in with a knife. Sprinkle the chocolate chips and mini peanut butter cups on top, then bake for 30-35 minutes.

Delicious Variations

Nutty Chocolate Delight

Add chopped nuts, such as walnuts or pecans, for an extra crunch and flavor contrast.

Cookie Dough Topping

Top the cake with edible cookie dough for a fun twist that adds a chewy texture and taste.

Brownie Bottom Layer

Use brownie mix instead of chocolate cake mix for a denser, fudgier base that chocolate lovers will adore.

How to Store Peanut Butter Cup Dump Cake

Refrigerator

Store leftovers in an airtight container in the fridge for up to 5 days.

Freezer

Wrap slices in plastic wrap and store in a freezer-safe container for up to 3 months.

Reheating

Reheat individual slices in the microwave for 15-20 seconds, or until warmed through.

Frequently Asked Questions

Can I use a different cake mix?

Absolutely! You can experiment with vanilla or even red velvet cake mixes for a unique twist.

How do I know when the cake is done?

Insert a toothpick in the center; it should come out clean or with just a few crumbs for perfect doneness.

Can I make this recipe ahead of time?

Yes! You can prepare the cake a day in advance and store it in the fridge until you're ready to serve.

Is this cake gluten-free?

To make it gluten-free, use a certified gluten-free chocolate cake mix and ensure all other ingredients are gluten-free.

Ready to indulge? Gather your ingredients and whip up this mouthwatering Peanut Butter Cup Dump Cake. Your taste buds will thank you, and your friends and family will be begging for seconds!

Peanut Butter Cup Dump Cake

Peanut Butter Cup Dump Cake

Indulge in the ultimate dessert with this Peanut Butter Cup Dump Cake, featuring a rich chocolate base swirled with creamy peanut butter and topped with melty chocolate chips and mini peanut butter cups. It's a gooey, decadent treat that will satisfy any sweet tooth!

15 min
Prep Time
30 min
Cook Time
12
Servings
350 kcal
Calories

Ingredients

Instructions

  1. 1 Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish.
  2. 2 In a large mixing bowl, combine the chocolate cake mix, eggs, milk, vegetable oil, and vanilla extract. Mix until smooth.
  3. 3 Pour the batter into the prepared baking dish, spreading it evenly.
  4. 4 In a separate bowl, mix the creamy peanut butter and powdered sugar until well combined.
  5. 5 Drop spoonfuls of the peanut butter mixture over the cake batter, then use a knife to swirl it gently into the batter.
  6. 6 Sprinkle the chocolate chips and mini peanut butter cups over the top of the cake.
  7. 7 Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
  8. 8 Allow the cake to cool for a few minutes before slicing and serving.

Chef's Note

Serve warm with a scoop of vanilla ice cream for an extra indulgent treat. You can also drizzle melted chocolate or caramel over the top for presentation. Store leftovers covered at room temperature for 2-3 days or refrigerate up to a week.

Servings: 12

Cuisine: American

Course: Dessert

Nutrition (per serving): 12gg protein