3 c. unsifted all-purpose flour
1 1/2 c. sugar
2/3 c. unsweetened cocoa
2 1/4 tsp. baking powder
1 1/2 tsp. baking soda
1 1/2 c. Hellmann's real mayonnaise
1 1/2 c. water
1 1/2 tsp. vanilla

Grease 2 (9" x 1 1/2") layer pans; the bottoms with waxed paper. Sift together dry ingredients into large bowl. Stir in real mayonnaise. Gradually stir in water and vanilla until smooth and blended. Pour into prepared pans. Bake in 350 degree oven (moderate) about 30 minutes or until cake tests done. Cool completely. Remove from pans. makes 2 layers.