The Cedar Creek Grist Mill, one of the only remaining water-powered grist mills in the United States, is hosting Treat Day from 1 to 4 p.m. Sept. 28 at 43907 N.E. Grist Mill Road, Woodland. Enjoy cornbread made with fruit jam, hot peppers, bacon, cheese or herbs from flour ground at the mill. Admission and cornbread are free. Learn more at cedarcreekgristmill.org.