1, prepare the ingredients.
2. Boil water in a casserole.
3, another pot, cold water into the cow bones to boil the water.
4. Remove and wash, and put ginger, white pepper and fragrant leaves into the casserole.
5, simmer for an hour.
6. Cut the side dish in half.
7. Add tomatoes, mushrooms and carrots.
8. Add cooking oil to another pot and heat it. Add onion and stir-fry until transparent.
9. Add the soup pot and continue to stew for more than 2 hours.
10, stew well and add salt and coriander according to your taste.