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Reese’s Peanut Butter Earthquake Cake: A Decadent Delight

by Robert Thompson February 8, 2026
by Robert Thompson February 8, 2026 0 comments
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Reese’s Peanut Butter Earthquake Cake is a treat that combines the rich flavors of chocolate and peanut butter for a dessert that is truly irresistible. The gooey layers of peanut butter and the tasty surprise of Reese’s Cups turn this cake into a deliciously decadent masterpiece; it’s perfect for weeknight desserts or special occasions. Wait until you see how easy it is to make, and the fun step of swirling the peanut butter mixture into the batter will make you feel like a pastry chef.

Delicious slice of Reese's Peanut Butter Earthquake Cake topped with chocolate and peanut butter

Table of Contents

  • Recipe at a Glance
  • What Ingredients Are Needed for Reese’s Peanut Butter Earthquake Cake?
  • Essential Tools for Baking Success
  • How Do You Make Reese’s Peanut Butter Earthquake Cake?
  • Avoid Common Mistakes & Follow Pro Tips for Baking Success
  • Why You Will Love Reese’s Peanut Butter Earthquake Cake
  • Delicious Variations, Serving Ideas, and Storage Tips
  • More Recipes You Can Try Next
  • Final Thoughts
  • FAQ
  • Reese’s Peanut Butter Earthquake Cake

Recipe at a Glance

Best forParties, gatherings
DifficultyEasy
Total time1 hour
Servings12
Key tipSwirl carefully for best texture
Smart swapUse almond butter for a twist

What Ingredients Are Needed for Reese’s Peanut Butter Earthquake Cake?

You only need a few key ingredients to make Reese’s Peanut Butter Earthquake Cake. This list includes staple items that are likely already in your kitchen. Here’s what you’ll need:

Reese's Peanut Butter Earthquake Cake
1 boxChocolate cake mix
1 cupWater
1/2 cupVegetable oil
3 largeEggs
1 cupCreamy peanut butter
8 ozCream cheese, softened
1/2 cupUnsalted butter, melted
4 cupsPowdered sugar
1 tspVanilla extract
1 cupChopped Reese’s Peanut Butter Cups

Let’s talk about some of the star ingredients. First off, creamy peanut butter provides that delicious nutty flavor that complements the chocolate beautifully while adding moisture. You can substitute this with almond butter for a different twist in flavor. Additionally, cream cheese gives the peanut butter frosting a smooth richness; don’t skip or skimp on it! For those looking to experiment, healthy cream cheese frosting can be a great alternative to reduce calories.

Essential Tools for Baking Success

– 9×13-inch baking dish
– Large mixing bowls
– Electric mixer (optional but recommended)
– Measuring cups and spoons
– Rubber spatula
– Knife for swirling

How Do You Make Reese’s Peanut Butter Earthquake Cake?

Baking this cake is straightforward and fun! Just follow these steps for a cake that will wow your guests.

Step 1

Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish well.

Step 2

In a large bowl, mix together the chocolate cake mix, water, vegetable oil, and eggs. Beat until well combined, then pour this mixture into your prepared baking dish.

Prep Time15 minutes
Cook Time35-40 minutes
Nutrition per servingApprox. 350 calories

Step 3

In another bowl, beat together the creamy peanut butter, softened cream cheese, melted butter, powdered sugar, and vanilla until smooth. Drop spoonfuls of this mixture over the cake batter, then use a knife to gently swirl it in. Top with the chopped Reese’s Peanut Butter Cups before baking. Bake for 35-40 minutes or until a toothpick inserted into the center comes out mostly clean. Allow the cake to cool slightly before serving; it’s amazing served warm!

Avoid Common Mistakes & Follow Pro Tips for Baking Success

As a baker, I’ve certainly had a few mishaps along the way. Here are some common mistakes to watch out for, along with my insider tips for success!

Mistakes to Avoid

1. Using cold ingredients can affect the mixing process. Always ensure your cream cheese is softened for a smooth frosting.
2. Overmixing the cake batter can make it dense. Mix just until combined to ensure a light texture.
3. Skipping the greasing step can lead to a sticky situation. Always grease your pan well to allow for easy removal after baking.

Tips for Success

1. For a richer flavor, add a pinch of salt to the peanut butter mixture; it enhances the taste!
2. Let the cake cool completely before slicing for cleaner cuts and better presentation.
3. Experiment with different toppings, such as chocolate drizzle or crushed nuts for added texture and flavor.

Remember, the most important takeaway for this recipe is to embrace the swirling process; it is what makes this cake unique and visually appealing.

Why You Will Love Reese’s Peanut Butter Earthquake Cake

Reese’s Peanut Butter Earthquake Cake is everything you could want in a dessert. The combination of chocolate and peanut butter is classic and comforting; there’s just something nostalgic about it. It’s also a great conversation starter at gatherings.

Decadent Flavor

This cake is rich and creamy, balancing the intensity of chocolate with the comforting taste of peanut butter and sweetness from the Reese’s Cups. Each bite is guaranteed to satisfy!

Delightful Texture

With its gooey peanut butter swirl and soft cake, the texture creates a delightful experience that you won’t forget. The added crunch of the chopped Reese’s adds an exciting element.

Easy to Make

Despite its opulent presentation, this cake is simple to prepare and is an excellent recipe for baking novices. With minimal fuss, you can impress family and friends.

Personal Connection and Pro Tip

As someone who loves baking for gatherings, I can assure you that this cake will be a hit. Plus, you’ll learn the art of swirling deliciousness that will elevate your baking game!

Delicious Variations, Serving Ideas, and Storage Tips

Let’s explore some exciting ways to enjoy this cake differently. You might find a new favorite!

Creative Variations You Can Try

You can modify this cake in several ways! If you’re feeling adventurous, try adding crushed pretzels for a salty crunch. Another option is to incorporate chocolate chips for an extra chocolatey experience. You can even use different candy bars for unique flavors; Snickers bar chunks or M&M’s can add a colorful touch!

Ingredient Substitutions To Consider

If you need to adjust your ingredients, no worries! You can swap out the vegetable oil for melted coconut oil for a richer flavor. Testing with gluten-free cake mix can be excellent for those with dietary preferences, ensuring no one has to miss out. Additionally, Greek yogurt can replace the cream cheese for a healthier option that still yields a delicious result. If you’re curious about more healthier alternatives, check out this Earthquake cake roundup.

Perfect Serving Suggestions

This cake shines at parties or as a dessert during movie nights at home. Serve slices warm with a scoop of vanilla ice cream on top for an indulgent treat. You can also cut it into small bite-sized pieces for a delightful dessert platter!

Smart Storage Guidance

To keep the cake fresh, store it in an airtight container at room temperature for up to three days. For longer freshness, refrigerate it, but be aware the texture may change slightly. To refresh day-old cake, reheat slices in the microwave for a few seconds, and you’ll have that warm melty goodness back!

IdeaBest forHow to do it
Salty CrunchEnhance flavorAdd pretzels or potato chips
Candy MixColorful touchAdd colorful candy chunks
Healthier TwistCut caloriesUse yogurt instead of cream cheese
Ice Cream PairingClassic dessertServe with vanilla ice cream

More Recipes You Can Try Next

If you enjoyed this recipe, you might love exploring some of these delicious options next:

Red Velvet Brownie CakeA rich twist on classic brownies.
Heart-Shaped Chocolate Chip CookiesFor cookie lovers and special occasions.
Strawberry Chocolate Ombre CakeA stunning and delicious layered cake.
Strawberry Crunch BrowniesA perfect blend of rich chocolate and fruity strawberry goodness.

Final Thoughts

Reese’s Peanut Butter Earthquake Cake is wild, fun, and delicious. I hope you try making it soon! Remember, baking should be enjoyable, so don’t stress; just embrace that swirl! If you share your creations on Pinterest, don’t forget to tag me.

FAQ

Can I make this cake ahead of time?

Absolutely! You can bake this cake a day in advance. Just allow it to cool and store it in an airtight container. It tastes great the next day too!

What can I substitute for eggs in this recipe?

You can use applesauce or mashed bananas as a substitute for eggs. About 1/4 cup per egg will work fine. This may add a bit of sweetness but complements the flavor.

How do I store leftover cake?

Leftover cake can be stored in an airtight container at room temperature for about three days. If you need it to last longer, refrigerate it. The texture may change slightly, though.

What types of chocolate cake mix work best?

Any standard chocolate cake mix should work, but opt for high-quality brands for the best flavor. You can also choose gluten-free options for dietary needs.

Can I freeze this cake?

While it is not recommended to freeze the cake due to texture changes, you can freeze slices individually wrapped in plastic. Just be aware it may not taste as fresh when thawed.

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Delicious slice of Reese's Peanut Butter Earthquake Cake topped with chocolate and peanut butter

Reese’s Peanut Butter Earthquake Cake

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A decadent dessert combining rich chocolate and creamy peanut butter with Reese’s Cups for a delightful swirl.

  • Total Time: 55 minutes
  • Yield: 12 servings 1x

Ingredients

Scale
  • 1 box Chocolate cake mix
  • 1 cup Water
  • 1/2 cup Vegetable oil
  • 3 large Eggs
  • 1 cup Creamy peanut butter
  • 8 oz Cream cheese, softened
  • 1/2 cup Unsalted butter, melted
  • 4 cups Powdered sugar
  • 1 tsp Vanilla extract
  • 1 cup Chopped Reese’s Peanut Butter Cups

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish well.
  2. In a large bowl, mix together the chocolate cake mix, water, vegetable oil, and eggs. Beat until well combined, then pour this mixture into your prepared baking dish.
  3. In another bowl, beat together the creamy peanut butter, softened cream cheese, melted butter, powdered sugar, and vanilla until smooth. Drop spoonfuls of this mixture over the cake batter, then use a knife to gently swirl it in. Top with the chopped Reese’s Peanut Butter Cups before baking.
  4. Bake for 35-40 minutes or until a toothpick inserted into the center comes out mostly clean. Allow the cake to cool slightly before serving.

Notes

Swirl carefully for the best texture. For a different twist, use almond butter.

  • Author: robert-thompson
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 slice
  • Calories: 350
  • Sugar: 30g
  • Sodium: 400mg
  • Fat: 18g
  • Saturated Fat: 7g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 70mg

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About Me

About Me

I’m Robert Thompson, founder and author of CoffeeRecipesSite.com. I share practical coffee recipes, specialty drinks, pairing recipes, and simple brewing guides to help home coffee lovers enjoy café-style results every day.

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