Casserole tofu

Every winter, hot pot and casserole restaurants in old Beijing are particularly popular, especially old restaurants such as Casserole House and Donglaishun, which generally have to queue up for meals on weekends.
Casserole dishes, like hot pot, are the first choice for nourishing and warming the body in winter. I feel that casserole is more affordable in comparison. In the cold winter, a pot of casserole is paired with a bowl of rice. Even soup and vegetables are available, and it is very comfortable to eat.
The famous "Casserole House" dishes in old Beijing are divided into dozens of types. For example, casserole meatballs, casserole chicken nuggets, casserole white meat, casserole assorted and three delicacies are all very popular. The one I made today is also very popular, called "Casserole Tofu".
No matter which casserole dish it is, it is mostly a mixture of meat and vegetables, and it cannot be separated from Chinese cabbage or pickled cabbage. When paired with some vermicelli and the main ingredients, it is nutritious and delicious.
Casseroles are generally made with bone soup or chicken soup. They don't require much seasoning. They just use salt, pepper and a little rice wine. It's very simple. If you don't have bone soup or chicken soup at home, it's okay to season it with water, but the more vegetarian casseroles will taste much worse without bone soup! Today's "casserole tofu" is made from bone soup. The method is as follows;