Beijing Snacks: Sour Plum Soup
1.
Ingredients: ebony, licorice, rock sugar, dried hawthorn
2.
Clean the floating ash from ebony and hawthorn, soak for 1-2 hours.
3.
Put the pot on the fire, pour the licorice, dried hawthorn, and ebony plum. After the fire is boiled, let it boil for half an hour.
4.
Add rock sugar and turn off the heat.
5.
After letting cool, strain out all the ingredients and put it in the refrigerator for half an hour before drinking.