Korean Oxtail Soup
1.
Soak the ox tail in the bleeding water for six to eight hours, so that a lot of blood in the ox tail can be soaked
2.
Wash the soaked oxtail, add plenty of water to boil, and remove the blood foam
3.
Turn to low heat and simmer for more than four hours to taste better
4.
Add salt, sprinkle with coriander or chopped green onion when eating