Composition: bone.

Accessories: onion, ginger, salt and medlar.

1. Wash the bone and soak it for 30 minutes to remove blood.

2. Put the pot and cold water together and boil the water.

3, put the right amount of water in the casserole, add onions, ginger, medlar, and open a fire.

4. After the water is boiled, remove the blood foam and take out the bone.

5. Put it directly into the casserole, bring it to a boil and simmer for 90 minutes.

6. Then remove the onion and ginger.

7. Add the right amount of salt.