Ingredients
1 cup all-purpose flour3/4 cup sugar1/4 cup baking cocoa1 teaspoon baking powder1 teaspoon baking soda1 cup mayonnaise1 cup water1 can (16 ounces) French vanilla or vanilla frosting
Preparation
In a large bowl, combine the flour, sugar cocoa, baking powder and baking soda. Beat in mayonnaise and water.
Pour into a greased 13x9-in. baking pan. Bake at 350° for 20-25 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack. Spread with frosting.