Go Back
+ servings
slice of Chocolate Peanut Butter Cake on a white plate

Chocolate Peanut Butter Cake

Chocolate Peanut Butter Cake is a light, delicious cake that is not too sweet. You don't need frosting, just a scoop of vanilla ice cream or whipped cream.
Course: Dessert
Cuisine: American
Keyword: chocolate cake recipe, peanut butter chocolate dessert
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 12 pieces
Calories: 299kcal


  • Hand Mixer


  • 2 ½ cups Miniature Marshmallows*
  • 1 box Chocolate Fudge Cake Mix (15.25 oz or 16.5 oz)
  • 1 ¼ cups Water
  • 1 cup Creamy Peanut Butter
  • cup Canola or Vegetable Oil
  • 3 lg Eggs
  • 1 cup (6 oz) Semi-Sweet Chocolate Chips


  • Preheat oven to 350°F. Spray a 9"x13" baking dish.
  • Add the marshmallows to the baking dish, spread out evenly.
  • In a large mixing bowl, add the cake mix, water, peanut butter, oil, and the eggs. Beat on low speed using a hand mixer for about 1 minute. Then beat on medium speed for 2 minutes.
  • Pour the batter over the marshmallows. Spread evenly with a spatula.
  • Sprinkle the chocolate chips over the batter and bake for 25-30 minutes, or until a toothpick inserted into the center of the cake comes out clean.
  • Cool on a wire rack. Serve with dollops of vanilla ice cream, whipped cream, or plain.


*The marshmallows won't be visible when cake is baked. They add a touch of sweetness and help make the cake light and fluffy.


Serving: 1piece | Calories: 299kcal