Z & Y Restaurant
San Francisco's signature Sichuan restaurant is a wonderful place to sample the often spicy, mouth-numbing (that's the "mala" heat, then the cooling effect of the peppers and chilies) cuisine of that northern China region. It's a long menu, so ask for advice from the servers. Be sure to book in advance for dinner, as the place is equally popular with visitors and diners from all over the Bay Area.