1. Wash the pork bones

2. Drain the water and remove all the blood

3. Put it in a casserole and stew it

4 .Peel and wash the yam, cut into pieces, and soak in water for a while.

5. Stew the pork bones for 2-3 hours, add the yam and stew until cooked.

6. Chop green onions

7. Cook the noodles

8. Put the noodles into a bowl

9. Add to stew Good Huaishan pork bones and soup.

10. Sprinkle sesame oil and chopped green onion, mix well.

PS: Use a pressure cooker, just simmer for half an hour!!!