Peanut Butter Sheet Cake
This easy Peanut Butter Sheet Cake is incredibly moist and topped with a rich peanut butter frosting. It's a simple yet delicious dessert perfect for any occasion.
Prep
: 10
Total
: 25 minutes
Ingredients
Cake Ingredients
- 0.75 cup unsalted butter softened
- 1.5 cup granulated sugar
- 2 large eggs
- 0.5 cup peanut butter creamy
- 1 teaspoon vanilla extract
- 1.5 cup all-purpose flour
- 1 teaspoon baking soda
- 0.25 teaspoon salt
- 0.5 cup buttermilk
Peanut Butter Frosting
- 0.5 cup unsalted butter softened
- 0.5 cup peanut butter creamy
- 3 cup powdered sugar
- 0.25 cup milk
- 1 teaspoon vanilla extract
Instructions
Cake Preparation
- Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13 inch baking pan.
- In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.0.75 cup unsalted butter
- Beat in the eggs one at a time, then stir in the peanut butter and vanilla extract.0.75 cup unsalted butter
- In a separate bowl, whisk together the flour, baking soda, and salt.0.75 cup unsalted butter
- Gradually add the dry ingredients to the wet ingredients, alternating with the buttermilk, beginning and ending with the dry ingredients. Mix until just combined.0.75 cup unsalted butter
- Pour the batter into the prepared pan and spread evenly.
- Bake for 25-30 minutes, or until a wooden skewer inserted into the center comes out clean.
Frosting Preparation
- While the cake is baking, prepare the frosting. In a medium bowl, beat together the softened butter and peanut butter until smooth.0.75 cup unsalted butter
- Gradually beat in the powdered sugar, alternating with the milk, until smooth and creamy. Stir in the vanilla extract.0.75 cup unsalted butter
- Once the cake is slightly cooled, spread the frosting evenly over the top.
Notes
Let the cake cool completely before frosting for best results. Store in an airtight container at room temperature.