1. The big bones after blanching are reserved
2. Put the big bones into the pot and add some water to submerge the bones
3. Put, green onion, ginger, cinnamon, bay leaf, star anise, dried chili.
4. Add light soy sauce, dark soy sauce, cooking wine, turn to a low heat and simmer for an hour
5. Add salt and simmer for ten minutes
6. Out of the pan.
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