Mayo Cake
["2 c. flour", "1 1/2 c. sugar", "4 tsp. cocoa", "1 c. salad dressing", "1 c. cold water", "1 tsp. vanilla"]
["Mix all ingredients and beat until smooth.", "Pour into a greased and floured 9 x 12-inch pan.", "Bake at 375\u00b0 for 20 to 30 minutes."]
["flour", "sugar", "cocoa", "salad dressing", "cold water", "vanilla"]