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Peanut Butter Sheet Cake

Ingredients

Cake Ingredients:

  • 1/4 cup creamy peanut butter
  • 1 cup water
  • 1/2 cup butter
  • 1 cup sugar
  • 1 cup brown sugar
  • 2 cups flour
  • 1 tsp salt
  • 1 tsp baking soda
  • 2 eggs
  • 1/2 cup skim milk
  • 1 tsp vanilla

Peanut Butter Frosting:

  • (or use a can of chocolate frosting!)
  • 1/2 cup (1 stick) butter
  • 1/2 cup smooth peanut butter
  • 4 cups powdered sugar (confectioners' sugar)
  • 1/3 cup milk
  • 1 teaspoon vanilla extract

Instructions

Cake Directions:

  • Preheat oven to 375 degrees.
  • In a medium to large pot add the peanut butter, water, and butter and bring to a boil. Remove from heat.
  • Mix together the sugar, brown sugar, flour, salt, and baking soda. Add to the peanut butter mixture.
  • Add the eggs, milk, and vanilla to the pan and mix well.
  • Pour into greased jelly roll pan.
  • Bake for 15 minutes at 375 degrees.

For the Frosting:

  • In a large saucepan over medium heat, melt the butter.
  • Add the peanut butter and mix until smooth.
  • Remove from the heat. Add milk, powdered sugar and vanilla and stir very well.
  • Frost the cake while the cake is still warm. If using the homemade frosting, the frosting should be warm too.