Saturday, Feb. 22, 2025 at 3 p.m. on KPBS TV / Stream now with the PBS app. Two sisters have taken a shack that serves one dish, traditional cortadillo stew, and made it into a must-visit restaurant. And about 10 minutes down the road in the town of Allende is another restaurant that uses traditional stews in their famous empalmes, or stacked tacos.