Wacky Cake
["1 1/2 c. flour", "1 c. sugar", "3 Tbsp. cocoa", "1 tsp. soda", "1/2 tsp. salt", "1/3 c. cooking oil", "1 Tbsp. vinegar", "1 tsp. vanilla", "1 c. water"]
["Sift dry ingredients into 9 x 9-inch ungreased square pan. Make three holes and pour oil, vinegar and vanilla in separate holes.", "Pour water over all and mix with fork.", "Do not beat.", "Bake at 350\u00b0 for 30 minutes. Leave in pan and frost."]
["flour", "sugar", "cocoa", "soda", "salt", "cooking oil", "vinegar", "vanilla", "water"]