Lemon Balm
1.
Cut the lemon into small pieces, the smaller the better,
2.
Put it in the stew pot
3.
Spread the rock sugar on the noodles, put it in an electric saucepan and simmer for four hours
4.
Four hours later
5.
Twelve hours later
6.
After cooling and bottling, the glass cake is best washed and soaked in boiling water and allowed to dry. Do more at a time and leave it at room temperature for two months is not a problem. Put it in the refrigerator for half a year.