Chocolate Mayonnaise Cake
["2 c. flour", "1 1/4 c. sugar", "5 Tbsp. cocoa", "1 1/2 tsp. baking soda", "1 c. strong coffee", "1 c. mayonnaise", "1 tsp. vanilla"]
["Mix ingredients in order given.", "Bake at 350\u00b0 for 25 to 30 minutes in a 9 x 13-inch greased and floured pan.", "Cool and ice with mocha or buttercream icing."]
["flour", "sugar", "cocoa", "baking soda", "coffee", "mayonnaise", "vanilla"]