Butter Cookies
["1 c. margarine or butter", "1 c. sugar", "1 egg", "2 c. flour", "1 tsp. cream of tartar", "1/2 tsp. baking soda", "1/2 tsp. salt", "1 tsp. vanilla"]
["Sift dry ingredients together.\tCream butter and sugar; add egg and vanilla.", "Mix in dry ingredients.", "Blend thoroughly. Chill.", "Can roll", "into 1 inch balls and flatten or sliced from roll.", "Bake at 350\u00b0 until edges brown for 6 to 8 minutes."]
["margarine", "sugar", "egg", "flour", "cream of tartar", "baking soda", "salt", "vanilla"]