1 cup butter
1/2 cup light brown sugar
2 cups flour
1 egg white, lightly beaten
Decorative colored sugar
Cream butter and sugar until light and fluffy. Gradually add flour. Gather into a ball and chill several hours or overnight.
Roll dough to 1/4 inch thick on a lightly floured surface. Cut with 2 inch round cookie cutter and place on an ungreased cookie sheet. Prick surface of dough with a fork or use bamboo skewer to create simple holiday designs. Reshape leftover dough and roll. Bake at 300° F for 20 to 25 minutes. Cool on wire rack.
To decorate, brush rim of cookie with egg white and roll in colored sugar.