Material: 700g of bovine neck bone.

Accessories: ginger slices, salt, vinegar and coriander.

1. Thaw the beef bones in advance and put them into the pot with ginger slices and cold water.

2, will cook a lot of blood foam.

3. Take clean water, wash it and drain it.

4. Put the right amount of water into the casserole, and put the ginger slices and beef bones into the pot.

5, add a tablespoon of vinegar, boil over high heat, and turn to low heat for about 3 hours.

6. Add some salt to taste after cooking.

7. finished products.