Bayon Bistro is a family-run restaurant in O’Fallon, Missouri, owned by Cambodian husband-and-wife team Dara and Sreyon Thack, with Dara as chef. Named after the famous Bayon temple at Angkor, it serves Cambodian (Khmer) dishes alongside Japanese, Korean and Chinese favorites and sushi. Open Monday to Saturday, 11 am to 9 pm (closed Sunday); please call ahead to confirm hours.