Old-Fashioned Butter Cookies
["3 c. sifted flour", "1 tsp. double-acting baking powder", "1/2 tsp. salt", "1 c. butter", "3/4 c. sugar (granulated)", "1 unbeaten egg", "2 Tbsp. milk", "1 1/2 tsp. vanilla"]
["Blend dry ingredients; set aside.", "Cream the butter and sugar, creaming well.", "Add egg, milk and vanilla.", "Add dry ingredients gradually.", "Chill dough 1 hour.", "Roll out on floured surface, half at a time, to 1/8-inch thickness.", "Cut into desired shapes.", "Place on ungreased cookie sheet.", "Bake at 375\u00b0 for 5 to 8 minutes."]
["flour", "double-acting baking powder", "salt", "butter", "sugar", "egg", "milk", "vanilla"]