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Chocolate Cake With Peanut Butter Frosting

This chocolate cake with peanut butter icing is a classic flavor combination that really never gets old! The rich chocolate cake is paired with a creamy peanut butter frosting, then topped with tons of peanut butter cups to take this sheet cake onto another level!
Prep Time30 minutes
Cook Time40 minutes
cooling time:20 minutes
Total Time1 hour 30 minutes
Course: Dessert
Cuisine: American
Keyword: chocolate cake with peanut butter frosting, chocolate peanut butter cake, chocolate sheet cake
Servings: 12 people
Calories: 627kcal

Equipment

Ingredients

  • 2 cups granulated sugar
  • 3/4 cup vegetable or canola oil
  • 1 cup whole milk
  • 2 eggs
  • 2 tsp vanilla extract
  • 1 cup freshly brewed coffee
  • 2 cups all purpose flour
  • 3/4 cup unsweetened natural cocoa powder
  • 2 tsp baking soda
  • 2 tsp baking powder

For the frosting:

  • 8 tbsp unsalted butter (1 stick) softened
  • 1 cup creamy peanut butter Jif or Skippy brand
  • 5 tbsp milk
  • 1 tsp vanilla extract
  • 2 cups powdered sugar

For decorating (optional):

  • 1 bag mini peanut butter cups chopped

Instructions

  • *Set the butter for the frosting out at room temperature to let it fully soften in advance!
  • Preheat your oven to 350 degrees F.
  • In a large mixing bowl, combine the sugar, oil, milk, eggs and vanilla extract. Mix well.
  • Brew one cup of coffee (it doesn't matter what kind, just whatever you drink at home as long as it's unflavored).
  • Add the hot coffee to the mixing bowl and mix again.
  • Sprinkle in the flour, natural cocoa powder, baking powder and baking soda. Fold the dry ingredients into the wet ingredients until a runny batter forms. Make sure there are no streaks of flour remaining (especially on the bottom of the bowl).
  • Grease a 9x13 inch pan and pour in the cake batter. Bake for 40-45 minutes.
  • For the frosting, combine the softened butter and peanut butter in a medium mixing bowl.
  • Whip the two together using an electric hand mixer until the mixture is very smooth and fluffy.
  • Add in the vanilla extract and milk, then mix to incorporate.
  • Sprinkle in the powdered sugar and switch to a rubber spatula for mixing to avoid clouds of powdered sugar flying everywhere!
  • Once the cake has cooled completely, spread the frosting all over the surface of the chocolate cake. If you like, you can use a spoon or offset spatula and make swooping motions with the frosting to give it a textured look.
  • Optionally chop up mini peanut butter cups and sprinkle them all over the top of the entire cake before serving!

Nutrition

Serving: 12people | Calories: 627kcal | Carbohydrates: 78.1g | Protein: 9.5g | Fat: 33.6g | Saturated Fat: 10.3g | Cholesterol: 23mg | Sodium: 377mg | Potassium: 392mg | Fiber: 3.9g | Sugar: 56.5g | Calcium: 73mg | Iron: 6mg