Preparation materials: pig cartilage, salt, onion, ginger, star anise, red dates, Flammulina velutipes, rape, pork balls, coriander and vinegar.

First, wash the pig cartilage.

Second, cut the cartilage into pieces.

Third, the cartilage is put into a pot and washed with cold water, and washed after bleeding.

Fourth, put ginger slices, onion segments, star anise, 1 tablespoon vinegar and cartilage into a casserole and stew for 40 minutes on low heat.

5. Add pork balls, red dates and salt and stew 10 minutes.

6. Finally, add Flammulina velutipes and rape to simmer and turn off the fire.