Traditionally you eat the noodles but leave the soup: it acts as a dipping broth that is poured back into the pot.
Thin, springy wheat noodles are served in small bowls with a sour-spicy broth, red chili oil and a topping of diced pork saozi with carrot, tofu, wood ear and egg. Its standard is summed up as thin, chewy, shiny, sour and hot.
Chuan'r (Grilled Meat Skewers)
Youtiao (Fried Dough Stick)
Tanghulu (Candied Hawthorn Skewers)
Malatang (Self-Serve Spicy Broth)