Dongwuqi Naipizi

In summer and autumn, put the fresh milk in the pot, bake it with low fire, roll it slightly, and spoon it to make the milk foam on it. At the same time, light the raw milk, and it will become a skin layer on the milk. Stir it up with chopsticks and put it in a ventilated place to dry in the shade, which is the milk skin.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)