Real Crazy Cake
["1 1/2 c. sifted flour", "3 Tbsp. cocoa", "1 c. sugar", "1 tsp. baking soda", "1 c. water", "1/2 tsp. salt", "1 tsp. vinegar", "5 Tbsp. salad oil"]
["Stir the first 5 ingredients into an 8-inch square pan.", "Make 3 depressions in dry ingredients.", "Pour vinegar into one, vanilla into another and salad oil into the third.", "Gradually add water; mix well until smooth.", "Bake in moderate oven (350\u00b0) for 35 minutes.", "When cool, frost or serve with ice cream and chocolate sauce."]
["flour", "cocoa", "sugar", "baking soda", "water", "salt", "vinegar", "salad oil"]