Old-Fashioned Chocolate Cake
["3/4 c. butter or margarine", "1 2/3 c. sugar", "3 eggs", "1 tsp. vanilla", "2 c. all-purpose flour", "2/3 c. Hershey's cocoa", "1 1/4 tsp. baking soda", "1 tsp. salt", "1/4 tsp. baking powder", "1 1/3 c. water"]
["Note:", "Use devil's food or fudge cake mix."]
["butter", "sugar", "eggs", "vanilla", "flour", "cocoa", "baking soda", "salt", "baking powder", "water"]