Bone Fragrant Yam Soup
1.
Prepare the required materials.
2.
Peel the yam and cut into pieces.
3.
Boil the bones in boiling water and remove them.
4.
The bones and yam are put in the pot with cold water.
5.
Cover and boil on high heat, and simmer on low heat for an hour.
6.
Add the right amount of salt after it is out of the pot.