Peanut Butter Sheet Cake with Chocolate Frosting
Peanut Butter Sheet Cake with Chocolate Frosting might be just the dessert you are searching for. This recipe serves 12. One serving contains 493 calories, 6g of protein, and 20g of fat. If you have betty cake mix, water, peanut butter, and a few other ingredients on hand, you can make it. From preparation to the plate, this recipe takes approximately 1 hour and 40 minutes.
Instructions
Heat oven to 350F (325F for dark or nonstick pan). Spray bottom and sides of 13x9-inch pan with baking spray with flour.
In large bowl, beat all cake ingredients with electric mixer on low speed 30 seconds, then on medium speed 2 minutes, scraping bowl occasionally.
Bake 20 to 25 minutes or until toothpick inserted in center comes out clean.
In 2-quart saucepan, heat butter, cocoa and milk to boiling over medium heat.
Remove from heat; stir in 1 teaspoon vanilla. Gradually add powered sugar, beating until mixture is blended and smooth.
Pour frosting over warm cake.
Cool completely in pan on cooling rack, about 1 hour.
Cut into 4 rows by 3 rows.