Wang Laoliu Iron Pot Fish Stew is a restaurant located in China that is known for its specialty of stewing fish in an iron pot. Although different types of fish can be used for the stew, Wang Laoliu Iron Pot Fish Stew usually uses carp or grass carp.

Carp is a common freshwater fish with delicate and flavorful meat. Grass carp is also a freshwater fish with firmer meat, suitable for stewing.

When stewing fish, you can add some seasonings and side dishes, such as green onions, ginger, garlic, chili peppers, tofu, etc., to make the fish more flavorful. It usually takes about half an hour to an hour to stew the fish, and the longer the time, the more flavorful and tasty the fish will be.