Sunday brunch is served from 10 a.m. to 2 p.m. and features classic Mexican breakfast dishes like chilaquiles, served in your choice of green or red sauce with queso fresco and two eggs, any style.

Brunch is on offer from 10 a.m.-3 p.m., the regular menu is available from 10 a.m.-midnight, and the bar is open from 10 a.m.-2 a.m. Reservations recommended via 773-384-6886. Frontier ...