Butter Cookies
["2 sticks butter", "1 1/2 c. confectioners sugar", "1 egg", "1 tsp. vanilla", "2 1/2 c. flour", "1 tsp. baking soda", "1 tsp. cream of tartar", "1/4 tsp. salt"]
["Cream butter.", "Add sugar gradually until fluffy.", "Add unbeaten egg and vanilla.", "Beat well."]
["butter", "confectioners sugar", "egg", "vanilla", "flour", "baking soda", "cream of tartar", "salt"]