Butter Cookies
["1 c. butter", "1 1/2 c. confectioners sugar", "1 egg", "1 tsp. vanilla", "2 1/2 c. sifted flour", "1 tsp. baking soda", "1 tsp. cream of tartar", "1/4 tsp. salt"]
["Cream butter, add sugar gradually.", "Cream", "until fluffy.", "Add unbeaten egg and vanilla; beat well.", "Sift together dry ingredients.", "Blend into creamed mixture. Divide dough.", "Roll chilled dough on floured pastry cloth to 1/8-inch thickness.", "Cut with floured cookie cutter.", "Bake on unbuttered cookie sheet about 6 minutes at 400\u00b0. Cool on rack."]
["butter", "confectioners sugar", "egg", "vanilla", "flour", "baking soda", "cream of tartar", "salt"]