Raw material: 1 small piece of beef,

2 mushrooms, 1 coriander, 1 egg white.

, salt, monosodium glutamate, pepper, corn flour.

Exercise:

1. Chop the beef into small pieces, put it in a pot with cold water, and wash the blood foam after the water boils.

2. Chop the coriander, dice the mushrooms, and pour the egg white into the soup bowl for later use.

3. Boil the water in the pot, add diced beef and diced mushrooms, boil the water for a while, and add salt, monosodium glutamate and pepper.

4. After thickening with wet raw flour, pour it into a soup bowl filled with egg white, stir it quickly and evenly to turn the egg white into flying flocs, and finally sprinkle with coriander.