To remove the thin layer of skin on the outside of fresh lotus seeds, there are two methods:
1. Wash the lotus seeds first, then put them into boiling water that has just been boiled, and add an appropriate amount of alkali, suffocate for a while, pour out the lotus seeds, and rub them vigorously, the skin of the lotus seeds will fall off quickly.
2. Wash the lotus seeds, put them into boiling water, add an appropriate amount of baking soda, boil for a while, then pour them out and rub them vigorously.