Prepare and shape dough into logs; wrap in plastic wrap and place in a self-sealing freezer bag. Freeze up to 1 month. Thaw 4 hours in refrigerator before slicing. Bake as above. Or, bake and cool cookies as directed, but do not apply chocolate butterfly body. Place in a freezer container or bag and freeze up to 3 months. Thaw cookies about 15 minutes. Pipe chocolate butterfly body onto thawed cookies.