2. Put ginger slices, onion slices and cooked chicken wings into a casserole and add water.
3. After the fire boils, change to low fire and cook for 20 minutes.
4. Skim off the oil slick when cooking, and clean the oil stain as much as possible.
5. After cooking, remove the chicken wings (for other cooking), remove the ginger and onion and throw them away. This soup can be used as chicken soup.
6. After the chicken wing soup is boiled, pour in the tofu and cook for a few minutes.
7. Then put the Flammulina velutipes in.
8. When the soup boils again, pour in pea seedlings, turn off the fire and season with salt.