2 c. flour
1 c. sugar
1/2 c. cocoa
1 1/2 tsp. baking powder
1 tsp. baking soda
1 tsp. vanilla
1 c. mayonnaise (use Hellmann's or Kraft for best results)
1 c. water

Blend together dry ingredients. Stir in mayonnaise and vanilla and water. Bake in a 9"x9" pan at 350 degrees for 40 to 45 minutes.

Makes a good, moist chocolate small family sized cake.