Ghost Cookies
["1/2 c. granulated sugar", "1/2 c. packed brown sugar", "1/2 c. (1/2 stick) margarine or butter, softened", "1/2 c. shortening", "1 egg", "1 1/4 c. all-purpose flour", "3/4 tsp. baking soda", "1/2 tsp. baking powder", "1/2 tsp. salt", "Creamy Frosting (recipe follows)", "chocolate chips or small black gumdrops"]
["Mix sugars, peanut butter, margarine, shortening and egg in a large bowl.", "Stir in flour, baking soda, baking powder and salt. Cover and refrigerate about 3 hours or until chilled."]
["sugar", "brown sugar", "margarine", "shortening", "egg", "flour", "baking soda", "baking powder", "salt", "Frosting", "chocolate chips"]