Cut-Out Sugar Cookies
["2 c. butter", "3 c. sugar", "6 eggs", "2 tsp. vanilla", "7 c. flour", "4 tsp. cream of tartar", "2 tsp. baking soda", "1 tsp. salt"]
["Mix all ingredients together and chill dough for 3 hours. Roll out on floured table for cutouts.", "Bake 6 to 8 minutes at 375\u00b0.", "Cool before icing."]
["butter", "sugar", "eggs", "vanilla", "flour", "cream of tartar", "baking soda", "salt"]