In autumn, the quality of sleep is poor and mental fatigue. One reason is that the summer consumes too much energy, which reduces the body's immunity. Therefore, improving immunity is also a good way to improve sleep. The yam of the soup, the pig bone has a good effect in this respect. Recipe from "Gourmet Hall"
Wash the pork bones twice with warm water, rinse off the blood, add some water, and cook over high heat.
The yam is peeled, the lotus seeds are washed, and the lotus heart is removed.
After the soup is opened, use a spoon to remove the blood foam and change to a small fire.
Add the right amount of onion ginger.
Add yam and lotus seeds and simmer for 2 to 3 hours.
When you drink, add some salt to taste.
I put the iron stick yam, you can also put ordinary yam, yam, lotus seeds, I did not go to the heart, do not like it, remove it.