Peanut Butter Cookies
["1/2 c. margarine, softened", "1 c. peanut butter", "1/2 c. white sugar", "1/2 c. brown sugar", "1/2 tsp. vanilla", "1 egg", "1 c. all-purpose flour", "3/4 tsp. baking soda", "1/2 tsp. baking powder", "1/4 tsp. salt"]
["Sift together flour, baking soda, baking powder and salt.", "Add this to cream mixture.", "Shape into 1-inch balls.", "Place about 2 inches apart on ungreased cookie sheet.", "Flatten with fork (crisscross).", "Bake at 350\u00b0 for 10 to 12 minutes."]
["margarine", "peanut butter", "white sugar", "brown sugar", "vanilla", "egg", "flour", "baking soda", "baking powder", "salt"]