Bean skin is ① bean curd skin, also called bean curd skin, which is a kind of film solidified on the surface of boiled soybean milk; ② Famous snacks in Wuhan

Supplement:

The word "bean curd skin" first appeared in Li Shizhen's Compendium of Materia Medica. Li Shizhen said that when the soybean milk was heated, a film appeared on the surface, which was taken out and dried to get the bean curd skin. Soak fresh soybeans, grind them, and filter off bean curd residue. At this time, the product is soybean milk, and then the soybean milk is boiled, and a layer of high-protein film (skin), that is, rotten skin, will solidify on its surface. Lift the film with a tool and hang it.

② Bean skin, a famous Han snack in Wuhan, Hubei, has a history of 40 years. Mostly used for breakfast, usually served in breakfast stalls in streets and alleys. There are also some specialty restaurants or old hotels at noon or evening.