With a focus on pasture-raised foods from small farms, Grazefest has samples and chefs' demonstrations from 9 a.m. to 1 p.m., Friday through Sunday, March 25 through 27, at three farmers' markets. Friday, March 25: Jesse Owens Park Farmers' Market (400 S. Sarnoff Drive). Saturday, March 26: Oro Valley Farmers' Market (11000 N. La Cañada Drive). Sunday, March 27: St. Philip's Plaza Farmers' Market (4280 N. Campbell Ave.). Call 882-2157 for more information.