In a mixing bowl combine sugar and butter, beat until creamy. Add
eggs and vanilla, beat well. Stir together dry ingredients; gradually
add to creamed mixture until completely blended. Chill for 30
minutes. Form balls and roll in sugar and press down on greased
cookie sheet. Or, on a lightly floured surface, roll dough to a 1/4"
thickness and cut with cookie cutters dipped in flour.
Bake at 350?F for 10 to 12 minutes. Cool on wire rack. Ice cookies
with frosting, if desired.
Frosting:
Combine sugar, butter, vanilla, and milk, beat until creamy. Thin with
additional milk to desired spreading consistency if necessaiy. Add a
few drops of food coloring if desired. Spread over cookies and
decorate with colored sugar.