2. Wash and drain the silkworm chrysalis for later use.
3, the right amount of water in the pot, boil the fire, pour in the prepared silkworm chrysalis, add the right amount of onion and ginger, and boil for 5 minutes.
4. Turn off the fire, and when it is cooled to 40℃, add appropriate amount of salt to taste according to personal taste, remove it from a colander, drain it, and serve on a plate.