Easy Peanut Butter Texas Sheet Cake Recipe
If you're a fan of peanut butter and all things cake, then Peanut Butter Texas Sheet Cake is for you. This delicious treat combines the rich, nutty flavor of peanut butter with a moist and fluffy cake base, topped with a creamy peanut butter frosting.
Ingredients
Peanut Butter Cake
- 2 cups all purpose flour
- 1 cup granulated sugar
- 1 cup brown sugar
- 1 teaspoon baking soda
- ½ teaspoon salt
- 2 eggs
- 1 teaspoon vanilla extract
- ½ cup buttermilk
- 1 cup water
- ¼ cup peanut butter
- 1 cup (2 sticks) unsalted butter
Peanut Butter Frosting
- ½ cup (1 stick) unsalted butter
- ¼ cup peanut butter
- ¼ cup milk
- 4 cups powdered sugar
- 1 teaspoon vanilla extract
Instructions
Peanut Butter Cake
- Preheat oven to 350°F. Prepare a half sheet pan (18x13") with nonstick spray or parchment paper.
- Combine butter, water, and peanut butter in a small saucepan on the stovetop and bring to boil. Remove from heat once it boils. Cool about 5 minutes.
- In large mixing bowl or stand mixer bowl, combine flour, brown sugar, granulated sugar, baking soda, and salt. Pour the butter mixture over the flour mixture in the mixing bowl, until well combined, but do not overmix. Add buttermilk, vanilla extract, and eggs, then mix until no lumps.
- Spread cake batter into the prepared sheet pan. Bake 20-24 minutes or until a toothpick in the center comes out clean.
Peanut Butter Frosting
- Make the frosting when the cake has about 5-10 minutes to go. In a saucepan, boil butter, peanut butter, and milk. Remove from heat and stir in vanilla extract.
- Add to powdered sugar in a large bowl or stand mixer bowl. Mixing to get the desired consistency. If too thick, add more milk or too thin, add more powdered sugar.
- Spread onto the hot cake. Cool, then slice and enjoy!
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