To freeze the dough: Divide dough in half then wrap each half tightly in plastic wrap. Place inside a Ziplock freezer bag then freeze. Thaw dough in the refrigerator for 24 hours then bake per recipe instructions.
To freeze the baked cookies: Cool cookies completely then layer in a Ziplock freezer bag and freeze. Eat or frost directly from the freezer - they thaw quickly.
Royal Icing Recipe: add 2 large eggs whites of pasteurized liquid egg white product to a large mixing bowl with 2 teaspoons fresh lemon juice then beat with a mixer to combine. Add 3 cups powdered sugar then mix on low until smooth. Add more powdered sugar if too thin, or a little water or milk if too thick. Add gel food coloring then mix until color is even. Transfer icing into piping bags then ice. Transfer icing to an airtight container if not using immediately.