Peanut Butter Crunch Cake Recipe

Indulge your chocolate and peanut butter cravings with this irresistible Crunch Cake! A family favorite, this easy recipe combines a moist cake base with a crunchy peanut butter topping that's simply addictive. Perfect for birthdays, potlucks, or any occasion that calls for a decadent dessert.

Prep Time 15 mins
Cook Time 80 mins
Calories 546.3 kcal
Protein 25g
Rating Be the first
Peanut Butter Crunch Cake 78

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Peanut Butter Crunch Cake

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How to Make Peanut Butter Crunch Cake

  1. Preheat your oven to 350°F (175°C). Grease and flour a 13x9 inch baking pan.
  2. In a large bowl, combine 1 box (15.25 oz) chocolate cake mix, 1 cup creamy peanut butter, and ½ cup packed light brown sugar.
  3. Beat on low speed until the mixture resembles coarse crumbs.
  4. Set aside ½ cup of the crumb mixture.
  5. Add ½ cup water, 2 large eggs, and ⅓ cup vegetable oil to the remaining crumb mixture.
  6. Beat on low speed until just moistened, then beat on high speed for 2 minutes.
  7. Stir in ¼ cup semi-sweet chocolate chips and ¼ cup peanut butter chips.
  8. Pour the batter into the prepared baking pan.
  9. In a medium bowl, combine the reserved ½ cup crumb mixture, ½ cup salted peanuts (roughly chopped), and the remaining ¼ cup of each chocolate and peanut butter chips.
  10. Sprinkle the crumb mixture evenly over the batter.
  11. Bake for 40-45 minutes, or until a wooden pick inserted into the center comes out clean.
  12. Let the cake cool completely in the pan before serving.

Nutrition Information (Approximate per serving)

Sodium

17 g

Sugar

158g

Fat

38g

Carbs

19g

Frequently Asked Questions

How long does it take to make Peanut Butter Crunch Cake?

Peanut Butter Crunch Cake takes about 95 minutes from start to finish — roughly 15 minutes to prepare and 80 minutes to cook.

How many calories are in Peanut Butter Crunch Cake?

Peanut Butter Crunch Cake has approximately 546.3 calories per serving, with about 25 g protein, 19 g carbohydrates and 47 g fat.

What ingredients do I need for Peanut Butter Crunch Cake?

The key ingredients for Peanut Butter Crunch Cake are Yellow Cake Mix, Peanut Butter, Brown Sugar, Water, Eggs, Vegetable Oil. See the full list with measurements above.

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