Mayonnaise Cake
["2 c. flour", "4 Tbsp. cocoa", "1 c. sugar", "2 tsp. baking soda", "pinch of salt", "1 c. mayonnaise", "1 c. water", "1 tsp. vanilla"]
["Grease a 9 x 13-inch pan with shortening and dust with flour; set aside.", "In large bowl, sift all dry ingredients.", "Add mayonnaise, water and vanilla.", "Beat very little.", "Pour into pan. Bake in a preheated oven at 350\u00b0 for 25 to 30 minutes."]
["flour", "cocoa", "sugar", "baking soda", "salt", "mayonnaise", "water", "vanilla"]