3 c. unsifted flour
1/3 c. cocoa
1 1/2 tsp. baking soda
1 1/2 c. water
1 1/2 c. sugar
2 1/4 tsp. baking powder
1 1/2 c. mayonnaise
1 1/2 tsp. vanilla

Prepare two 9x2 inch pans. Sift together dry ingredients into large bowl. Stir in mayonnaise. Gradually stir in water and vanilla until smooth and blended. Pour into pan, bake at 350 degrees for 30 minutes. Frost with your favorite chocolate frosting.