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Peanut Butter Cake with Malted Chocolate Frosting

This Peanut Butter Cake with Malted Chocolate Frosting is perfectly moist with all the best toasty flavors.
Course Cake, Dessert
Cuisine American
Keyword Buttercream, Chocolate, Frosting, Malt, Peanut Butter
Prep Time 10 minutes
Cook Time 30 minutes
Servings 9
Author Leona G.

Equipment

  • 8 inch square pan
  • Mixing Bowls
  • Spatula
  • Stand mixer or handheld mixer

Ingredients

Peanut Butter Cake

  • ½ cup butter softened
  • 1 cup sugar
  • 1 tsp vanilla
  • 2 eggs
  • 1 egg yolk
  • ½ cup peanut butter creamy
  • ⅔ cup buttermilk
  • 1 ¼ cup flour
  • 1 tbsp cornstarch
  • 1 tsp baking powder
  • ¼ tsp baking soda
  • 1 tsp salt

Malted Chocolate Buttercream

  • ½ cup butter softened
  • pinch of salt
  • 1¼ cup powdered sugar
  • ¼ cup cocoa powder
  • 3 tbsp Ovaltine or malted milk powder
  • 1 tsp vanilla
  • 2-4 tbsp milk or cream

Instructions

For the peanut butter cake

  • Preheat the oven to 350°
  • Combine the flour, cornstarch, baking powder, baking soda & salt to a bowl. Set aside.
  • In a stand mixer fitted with a paddle attachment, add in the butter and sugar. Mix on medium for 3-5 minutes until smooth and creamy. Add in the vanilla and eggs, beating well after each addition.
  • Next, add in the peanut butter and mix until well combined. The batter will look curdled. Add in the buttermilk and flour mixture alternately. Scrape the sides of the bowl down to ensure no dry pockets of flour remain. Pour the batter into a prepared 8 inch square pan. Bake for 30-35 minutes. Or until the center is set. Allow to cool completely and frost with your malted chocolate frosting.

For the malted chocolate frosting

  • In a stand mixer fitted with a paddle attachment, add the butter and salt. mix until creamy. Next, add in the powdered sugar, cocoa powder, and malted milk powder, The mixture will be very thick. Lastly add vanilla and milk or cream 1 tbsp at a time until the frosting is creamy & smooth. Mix for another 2 minutes. The frosting should be light and fluffy. Set aside until you're ready to frost your cake.