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Peanut Butter Sheet Cake with Peanut Butter Frosting: A Heavenly Delight

Who doesn’t love the luscious, velvety taste of peanut butter? The Peanut Butter Sheet Cake with Peanut Butter Frosting is a dream come true for all peanut butter enthusiasts. This delightful dessert features a moist, fluffy cake base topped with a smooth, creamy frosting that bursts with peanut butter flavor. It strikes the perfect balance between sweet and savory, making it an absolute treat for any occasion.

Ingredients

  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup peanut butter
  • 1/4 cup vegetable oil
  • 2 eggs
  • 1/2 cup buttermilk
  • 1 teaspoon vanilla extract

Frosting Ingredients

  • 2 sticks (1 cup) butter, softened
  • 3/4 cup peanut butter
  • 3 cups confectioners’ sugar
  • 3 to 4 tablespoons milk
  • 2 tablespoons instant vanilla pudding mix

Directions

  1. Preheat your oven to 350°F (175°C) and grease a 10x15x1 inch jellyroll pan to prepare it for the cake.
  2. In a large bowl, whisk together the all-purpose flour, sugar, baking soda, and salt.
  3. In a medium saucepan, combine 1 1/2 sticks of butter and 1 cup of water. Bring them to a simmer, ensuring that all the butter is melted.
  4. Whisk in 1/2 cup of peanut butter and vegetable oil into the butter mixture. Stir this mixture into the flour mixture until well combined.
  5. In another bowl, whisk together the eggs, buttermilk, and vanilla extract. Stir this mixture into the flour mixture until fully incorporated.
  6. Pour the batter into the prepared pan and bake for 22-26 minutes, or until a toothpick inserted in the middle comes out clean. Allow the cake to cool.
  7. For the frosting, use an electric mixer to beat the softened butter and peanut butter until smooth. Gradually add the confectioners’ sugar and milk, then incorporate the instant vanilla pudding mix. Beat until smooth and creamy, adding more milk if necessary.
  8. Once the cake is cooled, generously spread the frosting over it.

Enjoy this heavenly Peanut Butter Sheet Cake with Peanut Butter Frosting as a centerpiece for your gatherings or as a delightful indulgence on a cozy night in.