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Peanut Butter Filled Chocolate Cupcakes with Peanut Buttercream Frosting

Moist, decadent chocolate cupcake filled with a sweet and salty peanut butter filling topped with a creamy, sweet peanut butter buttercream frosting and garnished with the king of peanut butter and chocolate, Reese's.
5 from 2 votes
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Course: Dessert
Cuisine: American
Keyword: buttercream icing, cake, chocolate, chocolate cupcake, cupcake, cupcakes, dessert, frosting, icing, peanut butter, peanut butter icing
Prep Time: 30 minutes
Cook Time: 22 minutes
Servings: 21 servings
Calories: 268kcal

Equipment

  • KitchenAid Mixer
  • Piping Bags
  • Muffin Pan
  • Cupcake liners

Ingredients

For the cupcakes

  • 1 stick butter softened
  • 1 cup sugar
  • 3 eggs
  • ½ cup milk
  • ¾ cup brewed coffee
  • 2 ½ cup flour
  • 2 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ cup cocoa
  • ½ teaspoon salt

Peanut Butter Filling

  • ½ stick butter softened
  • ½ cup peanut butter
  • ¼ cup milk
  • ¼ cup confectioners sugar

Peanut Butter Buttercream Icing

  • 1 cup peanut butter
  • 2 sticks butter softened
  • ½ cup milk
  • 2 cups confectioners sugar

Instructions

For the cupcakes

  • Preheat oven to 350 degrees and line a muffin tin with cupcake liners.  Brew the coffee.
  • In a mixing bowl, cream together softened butter and sugar.  Add in the eggs one at a time and beat until well combined.  Add in the milk and brewed coffee and mix well.
  • In a separate bowl, mix flour, baking powder, baking soda, cocoa powder and salt.  Slowly add the dry ingredients to the wet ingredients.
  • Spoon the cupcake batter into the cupcake liners.  Fill until they are about ¾ of the way full.  Bake the cupcakes for 22-24 minutes and check doneness with a toothpick.  Set aside to cool completely.
  • Once they are cool, spoon out the centers of each cupcake about an inch and a half down.  

For the peanut butter filling

  • Whisk together peanut butter, softened butter, milk and confectioners sugar.  Add to a piping bag and fill the centers of each cupcake.

For the frosting

  • Using the KitchenAid Mixer with the icing whisk attachment, mix together the softened butter and the peanut butter.  Add in the milk and continue mixing. 
  • Add in the confectioners sugar 1 cup at a time. while mixing on low.  Once the confectioners sugar is mixed in, turn the speed up and whisk until the icing starts for form stiffer peaks and becomes more firm.
  • Add the icing to a piping bag and pipe onto the cupcakes.  Top with Reese's and chopped peanuts and serve immediately or save in the fridge for later.

Nutrition

Serving: 1cupcake | Calories: 268kcal | Carbohydrates: 39g | Protein: 8g | Fat: 10g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 24mg | Sodium: 223mg | Potassium: 203mg | Fiber: 2g | Sugar: 25g | Vitamin A: 64IU | Calcium: 57mg | Iron: 1mg