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Peanut Butter Sheet Cake is a beloved dessert that brings together the rich and creamy flavor of peanut butter with a moist and tender cake base. This delightful treat is perfect for gatherings, picnics, or satisfying your peanut butter cravings. In this recipe, we will not only guide you through the step-by-step process of creating this scrumptious dessert but also explore the intriguing history of peanut butter and its evolution into a cherished ingredient in American cuisine.

 

INGREDIENTS

For the Peanut Butter Sheet Cake:

  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 cup unsalted butter
  • 1 cup water
  • 1/2 cup creamy peanut butter
  • 2 large eggs
  • 1/2 cup buttermilk
  • 1 teaspoon vanilla extract

 

For the Peanut Butter Frosting:

  • 1/2 cup unsalted butter
  • 1/2 cup creamy peanut butter
  • 1/4 cup whole milk
  • 4 cups powdered sugar
  • 1 teaspoon vanilla extract

 

INSTRUCTIONS

For the Peanut Butter Sheet Cake:

  1. Preheat your oven to 350°F (175°C). Grease and flour a 18×13-inch baking sheet or jelly roll pan.
  2. In a large mixing bowl, combine the flour, granulated sugar, baking soda, and salt. Set aside.
  3. In a medium saucepan, melt the butter over medium heat. Stir in the water and bring the mixture to a boil.
  4. Remove the saucepan from heat and whisk in the creamy peanut butter until the mixture is smooth and well combined.
  5. Pour the peanut butter mixture over the dry ingredients and mix until the batter is smooth.
  6. In a separate bowl, whisk together the eggs, buttermilk, and vanilla extract.
  7. Gradually add the egg mixture to the peanut butter batter, stirring until everything is fully incorporated.
  8. Pour the batter into the prepared baking sheet, spreading it out evenly.
  9. Bake in the preheated oven for approximately 20-25 minutes, or until a toothpick inserted into the center comes out clean and the cake is lightly golden.
  10. Remove the cake from the oven and let it cool completely in the pan on a wire rack.

 

For the Peanut Butter Frosting:

  1. In a medium saucepan, melt the butter and creamy peanut butter over medium heat.
  2. Stir in the milk and bring the mixture to a gentle boil, stirring constantly.
  3. Remove the saucepan from heat and whisk in the powdered sugar and vanilla extract until the frosting is smooth and well combined.

 

Assembly:

  1. Once the cake has cooled, pour the warm peanut butter frosting over the cake, spreading it evenly.
  2. Allow the frosting to set before cutting the cake into squares or rectangles.
  3. Serve and enjoy this delightful Peanut Butter Sheet Cake, a wonderful blend of history and deliciousness that’s sure to satisfy your sweet cravings.

 

This Peanut Butter Sheet Cake is not only a testament to the evolution of peanut butter but also a delightful dessert that continues to be loved by people of all ages. Share it with friends and family, and celebrate the rich history and flavor of peanut butter in every bite.

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