Stewing method of bird's nest: first soak the bird's nest in clear water until it swells, scoop it up, then wash it with clear water and drain it, and then simmer it slowly. According to different varieties, the soaking time is different:

Blood swallow: soak for 6- 12 hours, and slow fire 1-2 hours.

Bai Yan: Soak for 4-6 hours and simmer for about 30 minutes-1 hour.

Yansi: Soak 1 hour and simmer for 30 minutes.

Swallowing strips: soak for 4 hours with slow fire 1 hour.

Yan cake: soak for 3-4 hours, slow fire 1-2 hours.

Precautions for stewing:

1. water quantity: the bird's nest is soaked, poured into the stew pot and covered with appropriate amount of water.

2. Temperature: first boil water with large fire, and then simmer with slow fire;

3. All kinds of ingredients should be cooked separately.

Main appliances:

An induction cooker or household liquefaction furnace is provided with a ceramic saucepan with a cover, a stainless steel pot, a filter screen, a spoon and a milk cup.