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chocolate peanut butter cake being lifted with a spatula

Chocolate Peanut Butter Cake

Course: Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 50 minutes
Total Time: 1 hour 5 minutes
Servings: 8 slices
Calories: 877kcal
Author: Becky Hardin | The Cookie Rookie
This CHOCOLATE PEANUT BUTTER CAKE is the ultimate bundt cake recipe! The cake is made with peanut butter AND peanut butter cups, and then topped with a decadent peanut butter icing. All that peanut butter makes this indulgent cake the most amazing peanut butter chocolate cake recipe!
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Ingredients

*Read through entire ingredient list before starting.

    For the Cake

    • 15.25 ounces yellow cake mix 432 grams (1 box - SEE NOTE), such as Betty Crocker
    • 3.4 ounces chocolate instant pudding 96 grams (1 box)
    • 2 tablespoons all-purpose flour 15 grams
    • 4 large eggs 200 grams
    • ½ cup water 114 grams
    • 1 cup milk 227 grams
    • 1 teaspoon pure vanilla extract 4 grams
    • ½ cup creamy peanut butter 135 grams, Jif recommended
    • 5 ounces Reese’s Peanut Butter Chips 142 grams (½ bag)
    • 8 ounces Reese’s Peanut Butter Cup Miniatures 227 grams, cut into quarters (do NOT use Peanut Butter Cup Baking Cups)

    For the Peanut Butter Cup Frosting

    • ½ cup creamy peanut butter 135 grams, Jif recommended
    • ¾ cup chopped Reese’s Peanut Butter Cup Miniatures 128 grams (do NOT use Peanut Butter Cup Baking Cups)

    Optional Garnishes

    • Reese’s Peanut Butter Chips
    • Peanut Butter Cups Miniatures chopped

    Instructions

    For the Cake

    • Preheat oven to 350°F. Grease and flour 10-inch tube or Bundt pan.
    • Stir together the cake mix, pudding, flour in a large bowl.
    • Add the eggs, water, milk, peanut butter, and vanilla extract. Using a hand mixer, mix for 30 seconds on low speed, then 2 minutes on medium speed.
    • Fold in the peanut butter chips and chopped peanut butter cups.
    • Pour the batter into the prepared pan and bake for 45-55 minutes, or until toothpick inserted in the middle comes out clean.
    • Cool the cake on a wire rack for 15 minutes.
    • Invert the cake onto a wire rack and let completely cool (upright).

    For the Peanut Butter Cup Frosting

    • In a small saucepan, melt peanut butter and chopped Reese's Peanut Butter Cup Miniatures over low heat until melted and smooth. Stir often.
    • Pour warm icing over completely cooled cake while letting it drizzle down the sides.
    • Garnish with extra Reese’s Peanut Butter Chips and chopped Reese’s Peanut Butter Cup Miniatures, if desired.
    • Serve after frosting is cooled and set.

    Notes

    • Cake Mix: You can use yellow cake mix or chocolate cake mix.
    • Be sure to use a 3.4-ounce box of pudding mix!
    • To freeze, tightly wrap cake in plastic wrap and aluminum foil, then place in an airtight container or Ziplock bag.
    • Nutritional information does not include optional garnishes.
    Storage: Store chocolate peanut butter cake in an airtight container at room temperature for up to 2 days, in the refrigerator for up to 4 days, or in the freezer for up to 1 month.

    Nutrition

    Serving: 1slice | Calories: 877kcal | Carbohydrates: 105g | Protein: 23g | Fat: 44g | Saturated Fat: 16g | Polyunsaturated Fat: 8g | Monounsaturated Fat: 17g | Trans Fat: 0.1g | Cholesterol: 103mg | Sodium: 983mg | Potassium: 507mg | Fiber: 5g | Sugar: 70g | Vitamin A: 215IU | Vitamin C: 0.2mg | Calcium: 226mg | Iron: 3mg