1. Soak the ribs in water for half an hour to 1 hour, soak in bleeding water
2. Ribs blanched and drained for later use
3. Put rock sugar, vinegar, light soy sauce and ketchup together in a bowl
4. Scallions, sliced ginger and set aside
5. Put a small amount of oil in the pot, add star anise and stir to get a fragrance
6. Turn to low heat and stir ribs
7. Add green onion and ginger and continue to stir until the meat is slightly browned
8. Add water, almost submerged the ribs
9. Add the seasoned sauce, bring to a boil on high heat, and simmer on low heat.
10. Boil until the sauce is thick, collect the sauce over high heat, add salt, sprinkle in sesame seeds, and stir well.
11. Put it on a plate and sprinkle with coriander to decorate.
