2 c. all-purpose flour
1 c. mayonnaise
1 c. sugar
1 c. cold water or cold coffee for mocha flavor
1/3 c. unsweetened cocoa powder
2 tsp. vanilla
2 tsp. baking soda
1/2 tsp. salt

Preheat oven to 350 degrees. Combine all cake ingredients in bowl and whisk until smooth. Pour into 2 greased and floured 8-inch cake pans. Bake 25-30 minutes. Let cool 5 minutes in pan, turn out and cool completely on wire rack.

DEVIL'S FOOD FUDGE FROSTING:

3 c. powdered sugar
1/2 c. unsweetened cocoa powder
1/2 c. butter, softened
3 tbsp. water or cold coffee
1 tsp. vanilla

Combine all ingredients in a bowl and beat until smooth and creamy.