1. Wash the trotters, cut in half, and blanch them for later use
2. Put rock sugar and spices in a frying pan and sauté
3. Put the trotters into the pot, add light soy sauce and dark soy sauce. After 2 minutes, add water and soak the trotters. Bring to a boil on high heat and reduce to a slow simmer.
4. Simmer for an hour, add a small amount of rice vinegar, and add some salt
5. Open the lid and cook for a few minutes, and the soup can be out of the pot. It is a bit sticky to eat hot. It is recommended to let it cool before eating in summer.
