The meals are hand-held at these hotspots, but the unique flavors are the big attraction. Authentic Mexican cuisine pioneer Rick Bayless celebrates Mexico's most beloved street food and snacks, while two brothers bring decadent Italian toasts to one of New York's hippest neighborhoods. A Top Chef winner turns traditional eastern-european cuisine on its head with inspirations from his own Scottish-Israeli heritage. And a former fine dining chef feeds the need for cheese on the streets of LA - one gourmet grilled cheese sandwich at a time.