Dragon Bone Calcium Soup
1.
Raw materials
2.
Rinse with water
3.
Put it in a casserole and add an appropriate amount of water.
4.
Get on fire and start boiling.
5.
When opening slightly, remove the foam on the water surface.
6.
Boil for an hour, turn off the heat and simmer for 15 minutes (the electric stove I use here, after turning off the heat, the soup will continue to cook for a while)
7.
Add the right amount of salt and it's out of the pot!