working methods
1. Wash Houttuynia cordata Thunb. Put it aside.
2. Wash and slice lean meat.
3. Peel, wash and slice the yam.
4. Put lean meat and yam in the pot and a small piece of mashed ginger.
5. Cover the pot, boil the soup with high fire and simmer for about 20 minutes. Adding Herba Houttuyniae and Fructus Lycii.
6. stew houttuynia cordata until the leaves turn yellow and the roots become soft. After cooking, put salt in the soup and season with chicken essence.