Mayonnaise Cake
["1 c. mayonnaise", "1 c. warm water", "1 tsp. baking soda", "1 c. sugar", "2 c. flour", "6 Tbsp. cocoa", "1 tsp. vanilla"]
["Mix mayonnaise, warm water and soda.", "Mix well.", "Add sugar, flour, cocoa and vanilla.", "Mix well.", "Bake at 350\u00b0.", "Check after 20 minutes.", "Makes sheet cake or 2 (8-inch) layers."]
["mayonnaise", "water", "baking soda", "sugar", "flour", "cocoa", "vanilla"]