Mayonnaise Cake
["2 c. flour", "1 tsp. baking soda", "1 tsp. baking powder", "1/2 tsp. salt", "1/4 c. cocoa", "3/4 c. mayonnaise", "1 c. sugar", "1 tsp. vanilla", "1 c. water"]
["Sift together the first five (5) ingredients.", "Add the next four (4) ingredients;", "mixing well after each addition."]
["flour", "baking soda", "baking powder", "salt", "cocoa", "mayonnaise", "sugar", "vanilla", "water"]