A grownup spice cookie with icing found in The Washington Post. Adapted from Good Housekeeping's "The Great Christmas Cookie Swap Cookbook". Makes a lot of cookies - can be halved. The dough needs to be chilled first for 1 hour, then for 4 hours or up to overnight. Logs of dough can be frozen for up to 1 month. Baked, undecorated cookies can be frozen for up to 3 months. Decorated cookies can be stored in an airtight container for up to 1 week.