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5 from 2 votes

Chocolate Peanut Butter Bundt Cake

Chocolate Peanut Butter Bundt Cake is a chocolate cake with a peanut butter filling, drizzled with chocolate ganache, a peanut butter topping, and Reese's peanut butter cups.
Prep Time20 mins
Cook Time55 mins
Cooling Time1 hr
Total Time2 hrs 15 mins
Course: Dessert
Keyword: Chocolate Peanut Butter Bundt Cake
Servings: 12
Calories: 751kcal
Author: Amanda Rettke--iambaker.net

Ingredients

Cake

  • cups (375g) granulated sugar
  • cups (219g) all-purpose flour
  • ¾ cup (65g) Dutch-processed cocoa powder, plus 1 tablespoon for dusting
  • 2 teaspoons baking soda
  • 1 teaspoon baking powder
  • 1 teaspoon kosher salt
  • ½ cup (1 stick, 113g) unsalted butter, melted, then cooled slightly
  • 2 large eggs, room temperature
  • ¾ cup (173g) sour cream, room temperature
  • ½ cup (123g) buttermilk, room temperature
  • ½ cup (119g) hot brewed coffee, or hot water

Peanut Butter Filling

  • ¾ cup creamy peanut butter
  • ½ cup cream cheese, room temperature
  • cup light brown sugar
  • 1 large egg, room temperature
  • 1 teaspoon vanilla extract
  • 3 tablespoons all-purpose flour
  • ¼ teaspoon kosher salt

Chocolate Ganache

  • cup heavy cream
  • cup (2-ounce chocolate bar) semisweet chocolate, chopped

Peanut Butter Topping

  • ¼ cup heavy cream, plus more as needed
  • ¼ cup creamy peanut butter
  • ½ cup confectioners’ sugar
  • 10-12 mini peanut butter cups, chopped

Instructions

Cake

  • Preheat the oven to 350°F. Spray a 10-inch bundt pan with nonstick cooking spray.
  • In a large bowl, whisk together sugar, flour, cocoa powder, baking soda, baking powder, and salt. Set aside.
  • In a separate bowl, whisk together the butter, eggs, sour cream, and buttermilk.
  • Pour the wet ingredients into the dry ingredients and stir to combine. Add the coffee, and whisk until the batter is completely combined. Set aside.

Peanut Butter Filling

  • In a large bowl, add peanut butter, cream cheese, and brown sugar. Mix with a hand mixer on medium until creamy (4-5 minutes).
  • Add the egg and vanilla and continue to mix until combined.
  • Add the flour and salt. Mix on low until fully incorporated.

Assembly

  • Dust the bundt pan with the remaining tablespoon of cocoa powder.
  • Scrape ⅔ of the cake batter into the prepared bundt pan. Using a 1½ tablespoon scoop (or a spoon), scoop the peanut butter filling in the center. Be sure to not press on the peanut butter filling too hard so it doesn't sink too far into the cake batter. Top with the remaining cake batter. Use a spatula or wooden spoon to smooth the top, if necessary.
  • Bake for 50-55 minutes, or until a toothpick inserted in the center of the cake comes out clean. Cool in the cake pan for 15 minutes. Then invert the cake onto a serving plate and let it cool completely (about an hour) before adding the glaze.

Chocolate Ganache

  • Place heavy whipping cream in a medium microwave-safe bowl and heat for about 45 seconds to a minute. You want the cream to be just boiling.
  • Carefully pour chocolate morsels into cream.
  • Let sit for 5 minutes (to melt the chocolate). Whisk the chocolate and cream until shiny and smooth, about 1 minute.
  • Pour over cooled cake.

Peanut Butter Topping

  • Place heavy whipping cream in a large microwave-safe bowl and heat for about 45 seconds to a minute. You want the cream to be just boiling.
  • Add peanut butter and let sit for a few minutes to soften the peanut butter. Add confectioners' sugar and whisk to combine. (It should be thick, but pourable.) Pour over chocolate ganache.
  • Top with chopped peanut butter cups.
  • Allow the cake to set about 10 minutes before serving.

Nutrition

Calories: 751kcal