Reese’s Peanut Butter Earthquake Cake
Why Make This Recipe
Reese’s Peanut Butter Earthquake Cake is a delicious treat that combines chocolate and peanut butter in a fun and gooey way. This cake is not only easy to make, but it also creates a delightful mess of flavors that your friends and family will love. Whether you are having a party, celebrating a birthday, or simply craving something sweet, this cake is sure to impress. Plus, who can resist the combination of rich chocolate and creamy peanut butter?
How to Make Reese’s Peanut Butter Earthquake Cake
Making this decadent cake is simple and straightforward. In just a few steps, you’ll create a dessert that’s perfect for any occasion. Follow these easy instructions, and you’ll have a tasty cake ready to enjoy!
Ingredients
- 1 box chocolate cake mix
- 1 cup water
- 1/2 cup vegetable oil
- 3 large eggs
- 1 cup creamy peanut butter
- 1 cup powdered sugar
- 1 cup chocolate chips
- 1 cup chopped Reese’s Peanut Butter Cups
Directions
- Preheat your oven to 350°F (175°C) and grease a 9×13 inch cake pan.
- In a large bowl, combine the chocolate cake mix, water, vegetable oil, and eggs. Mix until well combined.
- Pour the cake batter into the prepared pan.
- In another bowl, mix together the peanut butter and powdered sugar until smooth. Drop spoonfuls of the peanut butter mixture over the cake batter.
- Use a knife to swirl the peanut butter mixture into the batter gently.
- Sprinkle chocolate chips and chopped Reese’s Peanut Butter Cups over the top.
- Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
- Allow to cool before serving.
How to Serve Reese’s Peanut Butter Earthquake Cake
This cake is best served warm or at room temperature. You can enjoy it as is or with a scoop of vanilla ice cream on the side for an extra treat. For a decorative touch, serve it with a drizzle of chocolate syrup or whipped cream on top.
How to Store Reese’s Peanut Butter Earthquake Cake
To store leftover cake, let it cool completely, then cover it tightly with plastic wrap or aluminum foil. You can keep it in the refrigerator for up to a week. If you want to keep it longer, you can freeze slices in an airtight container for up to three months.
Tips to Make Reese’s Peanut Butter Earthquake Cake
- Make sure your ingredients are at room temperature for better mixing.
- Do not overmix the cake batter; it should be combined but not overworked.
- For a richer flavor, use dark chocolate cake mix.
- Feel free to add more Reese’s Peanut Butter Cups for extra bites of chocolate and peanut butter.
Variation
If you’re looking to mix it up, try using a vanilla or red velvet cake mix instead of chocolate for a different flavor combination. You can also substitute crunchy peanut butter for extra texture.
FAQs
1. Can I use homemade cake mix instead of a box mix?
Yes, you can use a homemade chocolate cake recipe if you prefer. Just make sure the quantities are similar.
2. What should I do if I can’t find Reese’s Peanut Butter Cups?
You can substitute with any other peanut butter candies or chopped chocolate bars that you like.
3. Can I make this cake a day in advance?
Absolutely! This cake can be made a day ahead of time. Just store it in the refrigerator until you’re ready to serve.

Reese's Peanut Butter Earthquake Cake
Ingredients
Method
- Preheat your oven to 350°F (175°C) and grease a 9x13 inch cake pan.
- In a large bowl, combine the chocolate cake mix, water, vegetable oil, and eggs. Mix until well combined.
- Pour the cake batter into the prepared pan.
- In another bowl, mix together the peanut butter and powdered sugar until smooth. Drop spoonfuls of the peanut butter mixture over the cake batter.
- Use a knife to swirl the peanut butter mixture into the batter gently.
- Sprinkle chocolate chips and chopped Reese's Peanut Butter Cups over the top.
- Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
- Allow to cool before serving.