Go Back
–+ servings
Reese’s Peanut Butter Earthquake Cake

Indulgent Reese’s Peanut Butter Earthquake Cake You’ll Love

This Reese’s Peanut Butter Earthquake Cake is a rich, fudgy dessert that combines chocolate and peanut butter goodness in every bite.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 40 minutes
Cooling Time 15 minutes
Total Time 1 hour 10 minutes
Servings: 12 slices
Course: easy cakes
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cake
  • 1 package chocolate cake mix
  • 1 cup water
  • ½ cup vegetable oil
  • 3 large eggs
For the Peanut Butter Filling
  • 1 cup creamy peanut butter
  • 8 ounces softened cream cheese
  • ½ cup melted butter
  • 4 cups powdered sugar
  • 1 teaspoon vanilla extract
For Topping
  • ½ cup chopped Reese’s Peanut Butter Cups

Equipment

  • 9x13-inch baking dish
  • Mixing Bowl
  • Whisk
  • Spatula
  • Electric mixer
  • knife

Method
 

Step‑by‑Step Instructions
  1. Preheat your oven to 350°F (175°C) and grease a 9x13-inch baking dish.
    Reese’s Peanut Butter Earthquake Cake
  2. In a mixing bowl, combine chocolate cake mix, water, vegetable oil, and eggs. Mix until lump-free.
    Reese’s Peanut Butter Earthquake Cake
  3. Pour the chocolate batter into the prepared baking dish and spread evenly.
    Reese’s Peanut Butter Earthquake Cake
  4. In a separate bowl, blend together peanut butter, cream cheese, melted butter, powdered sugar, and vanilla until smooth.
    Reese’s Peanut Butter Earthquake Cake
  5. Remove cake from oven after 15 minutes, drop peanut butter mixture over the top, and swirl gently.
    Reese’s Peanut Butter Earthquake Cake
  6. Sprinkle chopped Reese’s Peanut Butter Cups over the batter.
    Reese’s Peanut Butter Earthquake Cake
  7. Bake for 35 to 40 minutes until edges are firm and a toothpick comes out mostly clean.
    Reese’s Peanut Butter Earthquake Cake
  8. Allow to cool for 10–15 minutes before slicing and serving.
    Reese’s Peanut Butter Earthquake Cake

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 45gProtein: 6gFat: 18gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 80mgSodium: 350mgPotassium: 150mgFiber: 2gSugar: 30gVitamin A: 400IUCalcium: 50mgIron: 2mg

Notes

Ensure ingredients are fresh for best results. Let the cake cool slightly for better slicing.

Tried this recipe?

Let us know how it was!