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Home » Recipe Index » Reese’s Peanut Butter Earthquake Cake

Reese’s Peanut Butter Earthquake Cake

September 18, 2025 by Jolene

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Reese’s Peanut Butter Earthquake Cake is the ultimate indulgence for chocolate and peanut butter lovers. This dessert combines a rich chocolate cake with a gooey, creamy peanut butter center, making it perfect for any occasion. Whether you’re celebrating a birthday or hosting a casual get-together, this cake will surely impress your guests with its delightful flavors and stunning appearance.

Why You’ll Love This Recipe

  • Decadent Flavor: The combination of chocolate and peanut butter creates a rich taste that’s hard to resist.
  • Easy to Make: With simple ingredients and straightforward steps, this cake is accessible for bakers of all skill levels.
  • Versatile Dessert: Perfect for parties, potlucks, or even as a sweet treat after dinner.
  • Gooey Center: The layered center adds a unique texture that makes each bite memorable.
  • Crowd-Pleaser: Its deliciousness ensures that it’s a hit among friends and family alike.

Tools and Preparation

To create the perfect Reese’s Peanut Butter Earthquake Cake, having the right tools on hand makes the process smoother and more enjoyable.

Essential Tools and Equipment

  • Mixing bowls
  • Electric mixer
  • 9×13-inch baking dish
  • Measuring cups
  • Measuring spoons

Importance of Each Tool

  • Mixing bowls: These allow you to easily combine ingredients without spilling, ensuring a smooth batter.
  • Electric mixer: Saves time and effort when mixing the creamy peanut butter mixture to perfection.
  • 9×13-inch baking dish: Provides ample space for baking your cake evenly, resulting in a beautifully cooked dessert.
Reese’s

Ingredients

To make this delicious dessert, gather the following ingredients:

For the Cake Base

  • 1 box chocolate cake mix
  • 1 cup water
  • 1/2 cup vegetable oil
  • 3 large eggs

For the Peanut Butter Filling

  • 1 cup creamy peanut butter
  • 8 oz cream cheese, softened
  • 1/2 cup unsalted butter, melted
  • 4 cups powdered sugar
  • 1 tsp vanilla extract

For Topping

  • 1 cup Reese’s Peanut Butter Cups, chopped

How to Make Reese’s Peanut Butter Earthquake Cake

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C). Grease your 9×13-inch baking dish thoroughly to prevent sticking.

Step 2: Prepare the Cake Batter

In a large bowl:
1. Combine the chocolate cake mix, water, vegetable oil, and eggs.
2. Mix until all ingredients are well combined.
3. Pour the batter into the greased baking dish.

Step 3: Make the Peanut Butter Mixture

In another bowl:
1. Add the creamy peanut butter, softened cream cheese, melted butter, powdered sugar, and vanilla extract.
2. Mix until smooth and creamy.

Step 4: Combine Layers

Drop spoonfuls of the peanut butter mixture over the chocolate cake batter:
1. Use a knife to gently swirl the peanut butter mixture into the batter for marbling effect.

Step 5: Add Toppings

Sprinkle the chopped Reese’s Peanut Butter Cups evenly over the top of your cake batter.

Step 6: Bake

Place your baking dish in the preheated oven:
– Bake for 35-40 minutes or until a toothpick inserted comes out mostly clean.

Step 7: Cool and Serve

Allow your cake to cool slightly once baked. Enjoy it warm or at room temperature for an indulgent treat!

Servings: 12
Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 60 minutes

How to Serve Reese’s Peanut Butter Earthquake Cake

Serving Reese’s Peanut Butter Earthquake Cake can elevate any gathering, whether it’s a birthday party or a casual family dinner. Here are some delightful serving suggestions to enhance your dessert experience.

A La Mode

  • Serve warm slices topped with a scoop of vanilla ice cream for a delicious contrast of temperatures and flavors.

Whipped Cream Topping

  • Add a dollop of freshly whipped cream to each slice for extra creaminess and lightness that balances the richness of the cake.

Chocolate Drizzle

  • Drizzle melted chocolate over the top before serving to add an extra layer of indulgence that chocolate lovers will adore.

Fresh Fruit Garnish

  • Complement the cake with fresh berries like strawberries or raspberries for a refreshing touch that cuts through the sweetness.

Peanut Butter Sauce

  • Warm some peanut butter and drizzle it over each slice to intensify the peanut flavor and create a creamy texture.

Coffee or Tea Pairing

  • Serve slices alongside a cup of coffee or tea for a comforting end to your meal, perfect for savoring each bite.

How to Perfect Reese’s Peanut Butter Earthquake Cake

Perfecting your Reese’s Peanut Butter Earthquake Cake can make it even more enjoyable. Here are some tips to achieve cake perfection.

  • Use Room Temperature Ingredients: Ensure your eggs and cream cheese are at room temperature for better mixing and a smoother batter.

  • Don’t Overmix: Mix just until combined to avoid a dense cake; lumps in the batter are perfectly fine.

  • Test for Doneness: Use a toothpick inserted into the center; it should come out with a few moist crumbs but not wet batter.

  • Cool Before Serving: Allow the cake to cool slightly before cutting; this helps set up the layers and makes for cleaner slices.

  • Store Properly: Keep leftovers in an airtight container at room temperature for up to three days, or refrigerate them for longer freshness.

Best Side Dishes for Reese’s Peanut Butter Earthquake Cake

Pairing side dishes with your Reese’s Peanut Butter Earthquake Cake can enhance your dessert spread. Here are some excellent options to consider.

  1. Vanilla Ice Cream: A classic pairing that adds creaminess and balances the rich flavors of the cake.
  2. Fresh Berries Salad: A mix of strawberries, blueberries, and raspberries brings freshness and acidity, complementing the sweetness.
  3. Chocolate Pudding: Rich chocolate pudding provides additional texture and flavor that matches well with chocolate cake.
  4. Coconut Macaroons: Chewy coconut macaroons offer a delightful contrast in texture while adding another layer of sweetness.
  5. Peanut Butter Cookies: For peanut butter lovers, serve these cookies on the side for a double dose of flavor.
  6. Fruit Sorbet: A refreshing fruit sorbet can cleanse the palate between bites of rich cake, making it enjoyable throughout your meal.

Common Mistakes to Avoid

Baking a Reese’s Peanut Butter Earthquake Cake is an exciting venture, but small mistakes can lead to big disappointments. Here are common pitfalls to steer clear of:

  • Skipping the Greasing Step: Not greasing your baking dish can cause the cake to stick. Always grease or line your dish with parchment paper for easy removal.
  • Overmixing the Batter: Mixing too much can lead to a dense cake. Blend just until ingredients are combined for a light and fluffy texture.
  • Incorrect Oven Temperature: Baking at the wrong temperature can affect cooking time and texture. Always preheat your oven and use an oven thermometer if possible.
  • Ignoring Cooling Time: Letting the cake cool in the pan for too long can make it soggy. Allow it to cool slightly before transferring it to a wire rack.
  • Not Measuring Ingredients Accurately: Using incorrect measurements may ruin the balance of flavors. Invest in a good set of measuring cups and spoons for precision.
Reese’s

Storage & Reheating Instructions

Refrigerator Storage

  • Store leftover cake in an airtight container.
  • It will stay fresh in the refrigerator for up to 5 days.

Freezing Reese’s Peanut Butter Earthquake Cake

  • Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe container.
  • The cake can be frozen for up to 3 months without losing flavor.

Reheating Reese’s Peanut Butter Earthquake Cake

  • Oven: Preheat oven to 350°F (175°C) and heat for about 10-15 minutes until warm.
  • Microwave: Heat slices on a microwave-safe plate for about 20-30 seconds, checking every few seconds to avoid overheating.
  • Stovetop: Place a slice in a skillet over low heat, cover, and warm gently for about 5 minutes.

Frequently Asked Questions

Here are some common questions about making and enjoying Reese’s Peanut Butter Earthquake Cake:

What makes Reese’s Peanut Butter Earthquake Cake unique?

This cake combines rich chocolate with creamy peanut butter, creating a delightful contrast of flavors and textures that make each bite memorable.

Can I substitute ingredients in Reese’s Peanut Butter Earthquake Cake?

Yes! Feel free to use different nut butters or gluten-free chocolate cake mix. Adjusting ingredients allows you to customize this dessert.

How should I serve Reese’s Peanut Butter Earthquake Cake?

Serve warm or at room temperature. It pairs wonderfully with vanilla ice cream or whipped topping for an extra indulgent treat.

How long does it take to prepare Reese’s Peanut Butter Earthquake Cake?

The total time from prep to bake is approximately 60 minutes, making it a quick yet impressive dessert option.

What toppings go well with Reese’s Peanut Butter Earthquake Cake?

Chopped nuts, drizzles of chocolate syrup, or extra chopped Reese’s cups enhance its deliciousness and presentation.

Final Thoughts

Reese’s Peanut Butter Earthquake Cake is not only indulgent but also versatile enough for any occasion. You can easily customize it by adding different toppings or adjusting flavors. Give this recipe a try; it’s sure to impress family and friends alike!

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Reese’s Peanut Butter Earthquake Cake

Reese’s Peanut Butter Earthquake Cake
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Indulge in the ultimate dessert experience with Reese’s Peanut Butter Earthquake Cake—a rich and gooey delight that perfectly combines chocolate and creamy peanut butter. This decadent cake features a luscious chocolate base, a velvety peanut butter center, and is topped with chunks of your favorite candy for an irresistible treat. Ideal for celebrations or casual gatherings, this cake will wow your guests with its stunning layers and unforgettable flavor. Simple enough for bakers of all levels, you’ll love how easily it comes together while delivering an impressive presentation.

  • Author: Jolene
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Total Time: 1 hour
  • Yield: Makes approximately 12 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

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 oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. In a large bowl, mix together the chocolate cake mix, water, vegetable oil, and eggs until well combined. Pour into the prepared baking dish.
  3. In another bowl, blend the peanut butter, softened cream cheese, melted butter, powdered sugar, and vanilla extract until smooth.
  4. Drop spoonfuls of the peanut butter mixture onto the cake batter and swirl gently with a knife.
  5. Sprinkle chopped Reese’s Peanut Butter Cups over the top.
  6. Bake for 35-40 minutes or until a toothpick comes out mostly clean.
  7. Allow to cool slightly before serving warm or at room temperature.

Nutrition

  • Serving Size: 1 slice (approximately 125g)
  • Calories: 380
  • Sugar: 40g
  • Sodium: 250mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 60mg

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