2 1/4 c. flour
1 tsp. baking soda
1/4 tsp. baking powder
1 2/3 c. sugar
3 eggs
1 tsp. vanilla
1 c. mayonnaise
4 sq. unsweetened chocolate, melted
3/4 c. dry cocoa mixed with 1/4 c. salad oil = 4 sq. unsweetened cocoa

Grease and flour 13 x 9 inch pan. In bowl, mix first three ingredients. Set aside. In large bowl, with mixer at high speed, beat next 3 ingredients for 3 minutes or until fluffy. Beat in mayonnaise and chocolate. At low speed add flour mixture in 4 additions alternately with water, beating just until blended after each addition. Pour into pan. Bake in 350 degree oven for 45 minutes. Cool. Serves 15.