There are so many compelling chef origin stories to be told, but I am hard-pressed to think of a more compelling and heart-rending one than today's guest on Special Sauce, Cristina Martínez, the James Beard Award winning chef-owner of two extraordinary world-class Philadelphia restaurants, South Philly Barbacoa and Casa Mexico. As she wrote on her website, "My name is Cristina Martínez, and my story is one of resilience, passion, and courage, full of deep and painful challenges." Listen to her story now.