Reese’s Peanut Butter Earthquake Cake
A Reese’s Peanut Butter Earthquake Cake is the perfect dessert for any occasion! This decadent chocolate cake features a gooey, creamy center filled with peanut butter and topped with delicious Reese’s cups. Whether you’re celebrating a birthday, hosting a gathering, or simply satisfying your sweet tooth, this cake is sure to impress. Its rich flavor and unique texture make it an indulgent treat that everyone will love.
Why You’ll Love This Recipe
- Decadent Flavor: The combination of chocolate and peanut butter creates a mouthwatering experience.
- Easy to Make: With simple ingredients and straightforward steps, even novice bakers can achieve great results.
- Versatile Serving Options: Enjoy it warm or at room temperature; it’s delightful either way!
- Great for Gatherings: This cake serves 12, making it perfect for parties and family gatherings.
- Gooey Surprise: The layered center provides a delicious surprise that elevates each slice.
Tools and Preparation
Before diving into baking your Reese’s Peanut Butter Earthquake Cake, gather the necessary tools to ensure a smooth preparation process.
Essential Tools and Equipment
- Mixing bowls
- Electric mixer
- Measuring cups
- 9×13-inch baking dish
- Rubber spatula
- Knife
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients without spills.
- Electric mixer: Saves time and effort when blending mixtures to a smooth consistency.
- Measuring cups: Accurate measurements ensure the best results in your baking.

Ingredients
For this delightful Reese’s Peanut Butter Earthquake Cake, you’ll need:
For the Cake Batter
- 1 box chocolate cake mix
- 1 cup water
- 1/2 cup vegetable oil
- 3 large eggs
For the Peanut Butter Layer
- 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 a 9×13-inch baking dish to prepare for the cake batter.
Step 2: Prepare the Cake Batter
In a large bowl:
1. Mix together the chocolate cake mix, water, vegetable oil, and eggs until well combined.
2. Pour this batter into the prepared baking dish.
Step 3: Create the Peanut Butter Layer
In a separate bowl:
1. Combine the peanut butter, cream cheese, melted butter, powdered sugar, and vanilla extract.
2. Mix these ingredients until smooth.
Step 4: Swirl Together
Drop spoonfuls of the peanut butter mixture over the cake batter:
– Use a knife to gently swirl the peanut butter mixture into the batter for a marbled effect.
Step 5: Add Toppings
Sprinkle chopped Reese’s Peanut Butter Cups evenly over the top of the cake batter.
Step 6: Bake
Bake in your preheated oven for 35-40 minutes:
– A toothpick inserted into the center should come out mostly clean when done.
Step 7: Cool and Serve
Allow your cake to cool slightly before serving. Enjoy it warm or let it reach room temperature – either way, it will be delicious!
How to Serve Reese’s Peanut Butter Earthquake Cake
Serving Reese’s Peanut Butter Earthquake Cake is all about enhancing its rich flavors and creating a delightful experience. Here are some serving suggestions to elevate your dessert.
Pair with Ice Cream
- Vanilla Ice Cream: The classic choice that complements the chocolate and peanut butter beautifully.
- Chocolate Ice Cream: For chocolate lovers, this pairing intensifies the cake’s flavor profile.
Add Whipped Topping
- Homemade Whipped Cream: Light and fluffy, it balances the denser elements of the cake.
- Chocolate Whipped Cream: A decadent twist that enhances the chocolate notes in the cake.
Serve with Fresh Fruits
- Sliced Bananas: Their natural sweetness pairs well with peanut butter, adding freshness.
- Berries: Strawberries or raspberries bring a tart contrast to the sweetness of the cake.
How to Perfect Reese’s Peanut Butter Earthquake Cake
To ensure your Reese’s Peanut Butter Earthquake Cake turns out perfectly every time, consider these helpful tips.
- Use Room Temperature Ingredients: This helps in achieving a smoother batter and better texture.
- Don’t Overmix: Mix until just combined to avoid a dense cake; overmixing can lead to tough texture.
- Check for Doneness: Use a toothpick inserted into the center; it should come out mostly clean for perfect baking.
- Cool Before Serving: Letting it cool slightly allows flavors to meld and makes slicing easier.
Best Side Dishes for Reese’s Peanut Butter Earthquake Cake
To create a well-rounded dessert experience, consider pairing your Reese’s Peanut Butter Earthquake Cake with these delightful side dishes.
- Fresh Fruit Salad: A mix of seasonal fruits adds brightness and balances the richness of the cake.
- Chocolate-Covered Strawberries: A sweet treat that complements the cake’s flavors perfectly.
- Nutty Granola: Adds crunch and a different texture, enhancing each bite of cake.
- Coffee or Espresso: The bitterness of coffee contrasts nicely with sweet desserts, making each bite more enjoyable.
- Milkshakes: A creamy milkshake can be a fun and indulgent side that matches the cake’s decadence.
- Chocolate Fondue: Dip fruits or marshmallows for an interactive dessert experience alongside your cake.
Common Mistakes to Avoid
When making Reese’s Peanut Butter Earthquake Cake, it’s easy to make simple errors that can affect your final result. Here are some common mistakes to watch out for.
- Not Preheating the Oven: Always preheat your oven before baking. This ensures even cooking and helps the cake rise properly.
- Skipping the Greasing Step: Failing to grease your baking dish can lead to sticking. Use butter or a non-stick spray for easy removal.
- Overmixing the Batter: Mixing too much can create a dense cake. Mix just until the ingredients are combined for a light texture.
- Ignoring Baking Times: Every oven is different. Start checking for doneness at the lower end of the baking time range to avoid overbaking.
- Forgetting to Cool Before Serving: Cutting into a warm cake can make it fall apart. Allow it to cool slightly for better slicing and serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store any leftover cake in an airtight container in the refrigerator.
- It will stay fresh for up to 5 days.
Freezing Reese’s Peanut Butter Earthquake Cake
- Wrap slices tightly in plastic wrap, then place them in a freezer-safe bag.
- You can freeze the cake for up to 3 months.
Reheating Reese’s Peanut Butter Earthquake Cake
- Oven: Preheat your oven to 350°F (175°C). Place the cake slices on a baking sheet and warm for about 10 minutes.
- Microwave: Heat individual slices on medium power for about 30 seconds or until warm.
- Stovetop: Place slices in a skillet on low heat, covering with a lid until warmed through, about 5 minutes.
Frequently Asked Questions
Here are some frequently asked questions about making Reese’s Peanut Butter Earthquake Cake.
How do I make Reese’s Peanut Butter Earthquake Cake gluten-free?
To make this cake gluten-free, substitute the chocolate cake mix with a gluten-free blend. Ensure all other ingredients are also gluten-free.
Can I use natural peanut butter in this recipe?
Yes, but natural peanut butter may alter the texture slightly. It can still provide great flavor!
How long does it take to bake Reese’s Peanut Butter Earthquake Cake?
This cake typically bakes in about 35-40 minutes, but always check with a toothpick for doneness.
What can I do if I don’t have cream cheese?
You can use mascarpone or a dairy-free cream cheese alternative as substitutes for cream cheese.
Final Thoughts
Reese’s Peanut Butter Earthquake Cake is a delightful dessert perfect for any occasion. Its rich flavors and gooey texture make it an indulgent treat that everyone will love. Feel free to customize it by adding nuts or using different types of chocolate! Give this recipe a try; you won’t be disappointed!
Reese’s Peanut Butter Earthquake Cake
Indulge in the decadence of Reese’s Peanut Butter Earthquake Cake—a rich, layered dessert that perfectly marries chocolate and creamy peanut butter. This cake is designed to impress at any gathering, boasting a gooey center and a delightful topping of chopped Reese’s cups that elevates each bite into a blissful experience. Whether you’re celebrating a special occasion or simply treating yourself, this easy-to-make cake is sure to satisfy your sweet cravings. With its simple ingredients and straightforward instructions, even novice bakers can create this showstopper. Serve it warm with a scoop of ice cream or let it cool for a delightful treat that everyone will love.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
- Yield: Serves approximately 12 slices 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 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
- Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- In a large mixing bowl, combine chocolate cake mix, water, vegetable oil, and eggs until smooth. Pour into the prepared baking dish.
- In another bowl, blend together peanut butter, cream cheese, melted butter, powdered sugar, and vanilla until creamy.
- Drop spoonfuls of the peanut butter mixture over the cake batter and swirl gently with a knife.
- Sprinkle chopped Reese’s cups on top.
- Bake for 35-40 minutes or until a toothpick comes out mostly clean.
- Allow to cool slightly before serving warm or at room temperature.
Nutrition
- Serving Size: 1 slice (90g)
- Calories: 420
- Sugar: 45g
- Sodium: 350mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 53g
- Fiber: 2g
- Protein: 6g
- Cholesterol: 45mg