Mom'S Filled Cookies
["1 c. butter (not margarine)", "2 eggs", "3 c. all-purpose flour", "1 tsp. vanilla flavoring", "2 c. sugar (white)", "1/2 c. white milk", "2 tsp. baking powder", "1/4 tsp. salt"]
["Cream butter, sugar and eggs.", "Add milk alternately with flour until have a stiff dough.", "Refrigerate overnight."]
["butter", "eggs", "all-purpose", "vanilla flavoring", "sugar", "white milk", "baking powder", "salt"]