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Peanut Butter Sheet Cake with Peanut Butter Frosting

Peanut Butter Sheet Cake with Peanut Butter Frosting

This Peanut Butter Sheet Cake is moist and rich, topped with a creamy peanut butter frosting.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 12 pieces
Calories 320 kcal

Equipment

  • Mixing bowl
  • baking pan

Ingredients
  

For the Cake

  • 1 box yellow cake mix
  • 4 pieces eggs
  • ½ cup softened butter
  • 1 cup water
  • ½ cup creamy peanut butter

For the Frosting

  • 3 cups confectioners' sugar
  • ½ cup creamy peanut butter
  • ½ cup softened butter
  • 2+ tablespoons milk adjust for consistency
  • 1 teaspoon pure vanilla extract

Instructions
 

  • Preheat your oven to 350°F (175°C). Grease and flour a baking pan.
  • In a mixing bowl, combine the yellow cake mix, eggs, softened butter, water, and creamy peanut butter. Mix until well combined.
  • Pour the batter into the prepared baking pan. Bake for 30 minutes or until a toothpick comes out clean.
  • While the cake is baking, prepare the frosting by mixing the confectioners' sugar, creamy peanut butter, softened butter, milk, and vanilla extract until smooth.
  • Once the cake is cool, spread the frosting evenly on top.

Notes

For a richer flavor, you can add more peanut butter to the frosting.
Keyword dessert recipes, peanut butter cake, sheet cake