Mayonnaise Cake
["2 c. sifted cake flour", "1 c. sugar", "2 tsp. soda", "1/2 c. baking cocoa", "1/4 tsp. salt", "1 c. mayonnaise", "1 c. cold water", "1 tsp. vanilla extract"]
["Sift flour, sugar, soda, cocoa and salt into large bowl. Combine mayonnaise, cold water and vanilla in small bowl; mix well.", "Add to flour mixture; mix well.", "Pour into greased 9 x 13-inch pan.", "Bake at 350\u00b0 for 30 minutes.", "Use your own frosting mix or serve with Cool Whip."]
["cake flour", "sugar", "soda", "baking cocoa", "salt", "mayonnaise", "cold water", "vanilla extract"]