Grandma'S Sugar Cookies
["1 1/2 c. powdered sugar", "1 c. butter, softened", "1 egg", "1 1/2 tsp. vanilla", "2 1/2 c. sifted flour (sift before adding)", "1 tsp. cream of tartar", "1 tsp. soda"]
["Mix.", "Do not refrigerate.", "It is stiff enough dough already. Bake until light brown in a 325\u00b0 oven (about 8 minutes)."]
["powdered sugar", "butter", "egg", "vanilla", "flour", "cream of tartar", "soda"]