Mayonnaise Cake
["1 c. sugar", "4 Tbsp. cocoa", "1 c. mayonnaise", "1 egg", "2 c. flour", "2 tsp. soda", "1 c. warm water", "1 tsp. vanilla"]
["Grease 9 x 13-inch pan.", "Mix together sugar, mayonnaise, egg, water and vanilla.", "Add flour, soda and cocoa.", "Bake at 350\u00b0 for 30 to 35 minutes."]
["sugar", "cocoa", "mayonnaise", "egg", "flour", "soda", "water", "vanilla"]