Introduction to Reese’s Chocolate Peanut Butter Cup Earthquake Cake

If you’re the kind of person who believes desserts should be unapologetically bold, wildly gooey, and totally unforgettable, then meet your new obsession: Reese’s Chocolate Peanut Butter Cup Earthquake Cake. This isn’t your average chocolate cake. It’s a rich, fudgy, lava-like masterpiece that practically erupts with pockets of melted peanut butter, swirls of cream cheese, and chunks of your favorite candy—Reese’s Peanut Butter Cups—nestled throughout every bite.

This cake was made for those moments when you’re not just craving something sweet… you’re craving something epic. Imagine the comfort of a warm brownie, the joy of a peanut butter cup, and the creaminess of cheesecake all colliding in one pan. It’s a mess—in the best possible way. The top cracks and crumbles like the surface of the moon, while the inside stays dense, decadent, and packed with surprises.

Perfect for game day gatherings, weekend indulgence, or anytime you’re ready to level up your dessert game, this cake is the kind of showstopper that requires minimal effort but delivers maximum satisfaction. And the best part? You don’t need to be a pastry chef to pull this off. Just layer, swirl, bake—and prepare to watch jaws drop.

Why You’ll Love This Reese’s Chocolate Peanut Butter Cup Earthquake Cake

  • All-in-One Flavor Bomb – Chocolate, peanut butter, and cream cheese unite in an insanely delicious trio that satisfies every kind of sweet tooth.
  • Easy to Make, Hard to Forget – No fancy steps or equipment needed—just layer, swirl, and bake. The messy look is part of the charm!
  • Reese’s Lovers Rejoice – With chopped peanut butter cups baked right in and melted throughout, this is the dessert for candy fanatics.
  • Perfect for Sharing… or Not – Serve it warm at parties or sneak forkfuls straight from the pan. We don’t judge.
  • Looks Impressive, Tastes Even Better – The “earthquake” cracked top and gooey interior make it look like you spent hours baking, even if it only took minutes to prep.

Ingredients for Reese’s Chocolate Peanut Butter Cup Earthquake Cake

To create this delightful Reese’s Chocolate Peanut Butter Cup Earthquake Cake, you’ll need a handful of simple yet delicious ingredients.

Here’s what you’ll gather:

  • Chocolate cake mix: The base of our cake, providing that rich chocolate flavor.
  • Powdered sugar: This adds sweetness and helps create a creamy peanut butter mixture.
  • Creamy peanut butter: The star of the show, bringing that irresistible nutty flavor.
  • Unsalted butter: Softened to create a smooth texture in the peanut butter mixture.
  • Large eggs: Essential for binding the ingredients together and adding moisture.
  • Milk: This helps to achieve a moist cake and balances the richness.
  • Vanilla extract: A splash of this adds depth and enhances the overall flavor.
  • Semi-sweet chocolate chips: These little morsels melt beautifully, adding extra chocolatey goodness.
  • Mini Reese’s Peanut Butter Cups: Chopped up for that delightful surprise in every bite.
  • Chopped pecans (optional): For a bit of crunch, but feel free to skip if you prefer.
  • Chocolate syrup: Drizzled on top for an extra touch of decadence.

For exact measurements, check the bottom of the article where you can find everything listed for easy printing.

Gather these ingredients, and let’s get ready to bake a cake that’s sure to impress!

How to Make Reese’s Chocolate Peanut Butter Cup Earthquake Cake

Baking this Reese’s Chocolate Peanut Butter Cup Earthquake Cake is a delightful journey.

With each step, you’ll be closer to a dessert that’s sure to wow everyone.

Let’s dive into the process!

Step 1: Preheat and Prepare

First things first, preheat your oven to 350°F (175°C).

This is crucial for getting that perfect rise and texture.

While the oven warms up, grease a 9×13-inch baking dish.

A little non-stick spray or butter will do the trick, ensuring your cake comes out easily.

Step 2: Mix the Chocolate Cake Batter

In a large mixing bowl, combine the chocolate cake mix, eggs, milk, and vanilla extract.

Stir until everything is well blended and smooth.

This chocolate batter is the foundation of your cake, so make sure there are no lumps.

The aroma of chocolate will start to fill your kitchen, and trust me, it’s heavenly!

Step 3: Prepare the Peanut Butter Mixture

In a separate bowl, beat together the powdered sugar, creamy peanut butter, and softened butter.

Mix until it’s creamy and fluffy.

This peanut butter mixture is what makes this cake truly special.

The combination of flavors will have you dreaming of peanut butter cups!

Step 4: Layer the Batter

Pour half of the chocolate batter into your prepared baking dish.

Spread it evenly across the bottom.

Next, drop spoonfuls of the peanut butter mixture over the chocolate batter.

Finally, pour the remaining chocolate batter on top, covering the peanut butter layer completely.

Step 5: Swirl the Mixtures

Grab a knife and gently swirl the peanut butter mixture into the chocolate batter.

This creates a beautiful marbled effect.

Be careful not to overdo it; you want to see those lovely swirls!

Step 6: Add Toppings

Now it’s time for the fun part!

Sprinkle chocolate chips, chopped Reese’s Peanut Butter Cups, and optional pecans over the top.

These toppings will melt and create a deliciously gooey layer as the cake bakes.

Step 7: Bake

Place your cake in the preheated oven and bake for 35-40 minutes.

Keep an eye on it!

You’ll know it’s done when a toothpick inserted in the center comes out clean.

The anticipation will be worth it!

Step 8: Cool and Drizzle

Once baked, remove the cake from the oven and let it cool for about 15 minutes.

This cooling time is essential for the flavors to settle.

Before serving, drizzle chocolate syrup over the top for that extra touch of decadence.

Now, slice it up and get ready to enjoy a slice of heaven!

Tips for Success

  • Make sure your ingredients are at room temperature for better mixing.
  • Don’t overmix the batter; a few lumps are okay!
  • Use a toothpick to check for doneness; it should come out clean.
  • Let the cake cool completely before drizzling with chocolate syrup.
  • Store leftovers in an airtight container to keep it fresh.

Equipment Needed

  • 9×13-inch baking dish: A standard size for this cake; a glass or metal dish works well.
  • Mixing bowls: Use at least two—one for the chocolate batter and one for the peanut butter mixture.
  • Electric mixer: Makes mixing the peanut butter mixture easier; a whisk will do in a pinch.
  • Spatula: Perfect for spreading the batter evenly.
  • Knife: Essential for swirling the mixtures together.

Variations

  • Gluten-Free Option: Substitute the chocolate cake mix with a gluten-free blend to make this cake suitable for those with gluten sensitivities.
  • Nut-Free Version: Omit the chopped pecans and use sunflower seed butter instead of peanut butter for a nut-free alternative.
  • Vegan Twist: Replace eggs with flax eggs and use plant-based milk and vegan butter to create a delicious vegan version.
  • Extra Chocolate: For true chocolate lovers, add a layer of chocolate ganache on top after cooling for an even richer experience.
  • Fruit Addition: Incorporate chopped bananas or strawberries into the batter for a fruity twist that complements the chocolate and peanut butter.

Serving Suggestions

  • Pair with a scoop of vanilla ice cream for a delightful contrast to the rich cake.
  • Serve with a drizzle of extra chocolate syrup for those who crave more sweetness.
  • Accompany with a strong cup of coffee to balance the dessert’s richness.
  • Garnish with whipped cream and a sprinkle of crushed Reese’s for a stunning presentation.

FAQs about Reese’s Chocolate Peanut Butter Cup Earthquake Cake

Can I use a different cake mix for this recipe?

Absolutely! While the chocolate cake mix is a classic choice, you can substitute it with a devil’s food cake mix for an even richer flavor. The key is to maintain that chocolatey goodness!

How do I store leftovers?

To keep your Reese’s Chocolate Peanut Butter Cup Earthquake Cake fresh, store it in an airtight container at room temperature for up to three days. If you want to keep it longer, refrigerate it for up to a week.

Can I freeze this cake?

Yes, you can freeze this cake! Just wrap it tightly in plastic wrap and then in aluminum foil. It can be frozen for up to three months. Thaw it in the fridge overnight before serving.

What can I use instead of peanut butter?

If you need a nut-free option, sunflower seed butter works great as a substitute. It provides a similar creamy texture without the nuts, making it perfect for those with allergies.

Can I make this cake ahead of time?

Definitely! You can bake the cake a day in advance. Just let it cool completely, then store it covered at room temperature. Drizzle the chocolate syrup just before serving for that fresh touch!

Final Thoughts

Baking the Reese’s Chocolate Peanut Butter Cup Earthquake Cake is more than just a culinary adventure; it’s a journey filled with nostalgia and joy.

Each slice is a delightful reminder of childhood treats, bringing smiles to faces young and old.

The rich chocolate and creamy peanut butter create a harmonious blend that’s hard to resist.

Whether you’re celebrating a special occasion or simply indulging on a quiet evening, this cake is sure to elevate the moment.

So, gather your loved ones, slice up this masterpiece, and savor the sweet memories it creates together!

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Reese’s Chocolate Peanut Butter Cup Earthquake Cake delights!

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A deliciously rich and indulgent cake combining chocolate and peanut butter flavors, topped with Reese’s Peanut Butter Cups.

  • Author: Isabella
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Total Time: 1 hour
  • Yield: 12 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 cups chocolate cake mix
  • 1 cup powdered sugar
  • 1/2 cup creamy peanut butter
  • 1/2 cup unsalted butter, softened
  • 4 large eggs
  • 1 cup milk
  • 1 teaspoon vanilla extract
  • 1 cup semi-sweet chocolate chips
  • 1 cup mini Reese’s Peanut Butter Cups, chopped
  • 1/2 cup chopped pecans (optional)
  • 1/4 cup chocolate syrup (for drizzling)

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. In a large mixing bowl, combine the chocolate cake mix, eggs, milk, and vanilla extract. Mix until well combined and smooth.
  3. In a separate bowl, beat together the powdered sugar, peanut butter, and softened butter until creamy and fluffy.
  4. Pour half of the chocolate cake batter into the prepared baking dish and spread evenly.
  5. Drop spoonfuls of the peanut butter mixture over the chocolate batter, then pour the remaining chocolate batter on top.
  6. Use a knife to swirl the peanut butter mixture into the chocolate batter gently.
  7. Sprinkle the chocolate chips, chopped Reese’s Peanut Butter Cups, and pecans (if using) evenly over the top.
  8. Bake in the preheated oven for 35-40 minutes, or until a toothpick inserted in the center comes out clean.
  9. Once baked, remove from the oven and allow to cool for about 15 minutes. Drizzle chocolate syrup over the top before serving.

Notes

  • For a richer flavor, try adding a layer of cream cheese frosting on top after the cake has cooled.
  • You can also substitute the chocolate cake mix with a devil’s food cake mix for an even more decadent treat.

Nutrition

  • Serving Size: 1 slice
  • Calories: 350
  • Sugar: 30g
  • Sodium: 200mg
  • Fat: 18g
  • Saturated Fat: 7g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 70mg

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