Crazy Fudge Cake
["1 1/2 c. flour", "3 Tbsp. cocoa", "1/2 tsp. salt", "1 tsp. baking soda", "1 tsp. vinegar", "1 c. water", "5 Tbsp. melted shortening or oil", "1 tsp. vanilla"]
["Preheat oven to 350\u00b0.", "Mix in same pan cooking in (9 x 12-inch rectangle).", "Put all dry ingredients in pan.", "Add all wet ingredients.", "Stir well.", "Bake until springs back in middle to touch, about 20 to 25 minutes.", "Best chocolate cake around!"]
["flour", "cocoa", "salt", "baking soda", "vinegar", "water", "shortening", "vanilla"]