In a large bowl, cream together butter and sugar until smooth. Beat in eggs and
vanilla. Stir in the flour, baking powder, and salt. Cover, and chill dough for at
least one hour (or overnight). Preheat oven to 400 degrees F (200 degrees C).
Roll out dough on floured surface 1/4 to 1/2 inch thick. Cut into shapes with
Halloween cookie cutters. Place cookies 1 inch apart on ungreased cookie sheets.
Bake 6 to 8 minutes in preheated oven. Cool completely.
In a medium bowl, cream together the butter, confectioners
sugar,and milk until light and fluffy, about 3 to 4 minutes.
Divide into bowls based on number of colors desired. Beat in a
few drops of the vanilla and a few drops of food coloring un-
til you get the desired color. Spread on or between completely
cooled cookies. Draw fine details on with a bag and tip.