Easy Mayonnaise Cake
["2 c. flour", "2 1/2 Tbsp. cocoa", "2 tsp. soda", "1 c. mayonnaise", "1 c. sugar", "1 c. water", "1 tsp. vanilla"]
["In mixer bowl, blend all ingredients on low; beat about 2 minutes until well blended.", "Pour into greased and floured pan (fill pan a little over 1/2 full).", "Bake at 350\u00b0 for 35 to 45 minutes, or until cake tests done."]
["flour", "cocoa", "soda", "mayonnaise", "sugar", "water", "vanilla"]