Oh friend… this dessert is absolutely WILD

This Peanut Butter Cup Dump Cake is gooey, molten, rich beyond belief, and loaded with melty chocolate and creamy peanut butter in every single bite.

You literally dump everything together, bake it, and somehow end up with a warm chocolate-peanut butter masterpiece that tastes like a giant molten Reese’s cake.

The soft chocolate cake, pockets of melted peanut butter cups, fudgy chocolate chips, and buttery texture? Unreal

Honestly… this is the kind of dessert people “accidentally” go back for three times.

If you love easy decadent desserts like this, don’t forget to subscribe by email for more cozy homemade recipes straight from my kitchen.

Overview of Recipe Content

This Peanut Butter Cup Dump Cake is rich, indulgent, and ridiculously easy.

Why you’ll love it:

• Super easy dump-and-bake recipe
• Rich chocolate peanut butter flavor
• Gooey molten texture
• Perfect for parties and holidays
• Minimal prep, maximum dessert energy

What it tastes like:

Like warm molten chocolate cake mixed with melted peanut butter cups and fudgy brownies.

Health note:

This dessert is pure comfort food magic—and absolutely worth every bite.

Full Ingredients

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For the Dump Cake

• 1 box chocolate cake mix (15–16 oz)
• 1 cup creamy peanut butter
• ½ cup unsalted butter, melted
• 1½ cups whole milk
• 1 cup mini peanut butter cups
• ½ cup semi-sweet chocolate chips
• 1 teaspoon vanilla extract
• ¼ teaspoon salt

Optional Toppings

• Vanilla ice cream
• Chocolate syrup
• Crushed peanut butter cups
• Whipped cream
• Peanut butter drizzle

Tools You’ll Need

• 9×13 baking dish
• Mixing bowl
• Spatula
• Measuring cups

Suggested Substitutions & Additions

• Use dark chocolate cake mix for deeper flavor
• Swap milk chocolate chips for semi-sweet
• Add chopped peanuts for crunch
• Use crunchy peanut butter for texture
• Add caramel drizzle for extra indulgence

How to Make Peanut Butter Cup Dump Cake

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Step 1: Preheat oven

Preheat oven to 350°F (175°C).

Grease a 9×13 baking dish.

Step 2: Mix batter

In a large bowl, combine cake mix, milk, melted butter, peanut butter, vanilla, and salt.

Mix until mostly smooth.

Step 3: Add chocolate

Fold in mini peanut butter cups and chocolate chips.

At this point it already looks dangerously good

Step 4: Pour into baking dish

Spread batter evenly into prepared baking dish.

Step 5: Bake

Bake for 35–40 minutes until edges are set but center remains soft and gooey.

Your kitchen will smell like a chocolate peanut butter DREAM

Step 6: Cool slightly

Let cake rest for 10 minutes before serving.

Step 7: Add toppings

Top with ice cream, extra peanut butter cups, or warm chocolate drizzle.

That molten chocolate-peanut butter center? Pure dessert chaos

What to Serve with Peanut Butter Cup Dump Cake

This cake pairs perfectly with:

• Vanilla ice cream
• Cold milk
• Espresso
• Whipped cream
• Salted caramel drizzle

Tips for Making It Perfect

• Don’t overbake—the gooey center is the magic
• Use room-temperature peanut butter for easier mixing
• Serve warm for ultimate texture
• Add extra peanut butter cups on top before baking
• Let cool slightly before scooping

Storage Instructions

• Refrigerator: up to 5 days
• Freezer: up to 2 months

Reheat in microwave for warm molten texture.

General Information

Dump cakes became popular because they deliver maximum dessert flavor with minimal effort.

Adding peanut butter cups transforms this version into an ultra-rich chocolate-peanut butter dessert that feels like bakery-style lava cake meets brownies.

Honestly? This might be one of the easiest crowd-pleasing desserts EVER

Frequently Asked Questions

Can I use different cake mix flavors?

Yes! Devil’s food cake works beautifully.

Can I use chunky peanut butter?

Absolutely—it adds great texture.

Why is my cake dry?

It was likely overbaked.

Can I make this ahead?

Yes, and it reheats beautifully.

Is it supposed to be gooey?

YES That’s the best part.

Conclusion

This Peanut Butter Cup Dump Cake is rich, gooey, chocolatey, and dangerously addictive. Every bite melts with warm peanut butter, molten chocolate, and soft cake texture that feels like pure dessert heaven

If you loved this recipe, try:

• https://poulef.com/double-chocolate-dump-cake
• https://poulef.com/chocolate-tahini-swirl-cake
• https://poulef.com/flourless-chocolate-cake
• https://poulef.com/black-bottom-banana-cream-bars
• https://poulef.com/peanut-butter-smores-cookies

Trust me… nobody stops at one scoop

Interactive Elements

If you make this cake, I NEED to see that gooey molten center
Share your dessert masterpiece on Pinterest 👉 https://www.pinterest.com/poulefrecipe/

And tell me… extra peanut butter cups or extra chocolate chips?

Nutritional Information (Approx. per serving)

Nutrient	Amount
Calories	480 kcal
Protein	9g
Carbohydrates	48g
Sugar	32g
Fat	29g
Fiber	3g
Sodium	320mg

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