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–+ servings
Peanut Butter Sheet Cake

Peanut Butter Sheet Cake

Peanut Butter Sheet Cake is a moist dessert topped with a gooey peanut butter glaze, perfect for peanut butter lovers.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Dessert
Cuisine American
Servings 16 servings
Calories 330 kcal

Equipment

  • medium pot
  • separate bowl
  • 12X17 jellyroll pan
  • small pot

Ingredients
  

Cake

  • 0.25 cup creamy peanut butter
  • 1 cup water
  • 0.5 cup butter
  • 1 cup sugar
  • 1 cup brown sugar
  • 2 cups flour
  • 1 teaspoon salt
  • 1 teaspoon baking soda
  • 0.5 cup buttermilk see note for easy substitution
  • 1 teaspoon vanilla

Frosting

  • 0.75 cup butter
  • 6 Tablespoons buttermilk
  • 0.5 cup peanut butter
  • 3.5 cups powdered sugar
  • 1 Tablespoon vanilla

Instructions
 

Main Instructions

  • Preheat oven to 375 degrees.
  • In a medium pot add the peanut butter, water, and butter and bring to a boil. Remove from heat.
  • In a separate bowl, mix together the sugar, brown sugar, flour, salt, and baking soda with a fork. Mix together with the peanut butter mixture.
  • Add the eggs, buttermilk, and vanilla to the bowl and mix well.
  • Stir well and pour into greased or parchment lined cookie sheet pan with a little edge (12X17 jellyroll pan). Bake for 13-15 minutes at 375 degrees. Do not overbake!
  • In a small pot bring the butter, buttermilk, and peanut butter to a boil. Remove pan from the heat and add the powdered sugar and vanilla. Pour frosting over the warm cake.

Notes

For buttermilk substitution: For every cup of buttermilk needed, add one tablespoon lemon juice or white vinegar to a liquid measuring cup, and add enough milk until it measures 1 cup. Stir, and let sit for five minutes before using.

Nutrition

Serving: 1gramCalories: 330kcalCarbohydrates: 45gProtein: 4gFat: 15gSaturated Fat: 8gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 6gCholesterol: 30mgSodium: 200mgPotassium: 100mgFiber: 1gSugar: 30gVitamin A: 500IUCalcium: 50mgIron: 1mg
Keyword baking, cake, dessert, peanut butter, Peanut Butter Lovers, Sheet Cake
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