2 cups all-purpose flour
1 1/2 cups sugar
1/2 cup cocoa
2 teaspoons baking soda
2 1/2 teaspoons salt
2/3 cups mayonnaise
2 cups water
1 teaspoon vanilla
Preheat oven to 350*F (175*C). Grease and flour 2 8-inch round cake pans; set aside.
Combine first 5 ingredients in large mixing bowl. Add mayonnaise, water and vanilla and mix well.
Pour batter into prepared cake pans.
Bake for 30 to 40 minutes or until wooden pick inserted in center comes out clean. Cool on wire rack for 10 minutes and remove from pans. Cool completely. Frost with a creamy white-type frosting.
Makes 10 to 12 servings.
Note: Double recipe for a 13 x 9 x 2-inch sheet cake.