Aunt Ann'S Sugar Cookies
["1/2 lb. margarine", "1 c. sugar", "1/2 tsp. salt", "2 tsp. vanilla", "1 egg", "3/4 tsp. cream of tartar", "1/2 tsp. baking soda", "2 1/2 c. flour", "1 tsp. baking powder"]
["Mix margarine and sugar until fluffy.", "Add salt, vanilla, egg, cream of tartar, soda and baking powder.", "Mix well.", "Add flour and mix well.", "Refrigerate at least two hours.", "Make small balls about the size of walnuts.", "Flatten on cookie sheet with bottom of glass that has been dipped in sugar often.", "Do not grease or oil cookie sheet.", "Bake at 375\u00b0 for 8 minutes.", "Remove from cookie sheet at once.", "Frost if desired.", "Cookies freeze well in plastic bag."]
["margarine", "sugar", "salt", "vanilla", "egg", "cream of tartar", "baking soda", "flour", "baking powder"]