2. Practice:
(1) Wash the beans first.
(2) Add edible alkali to the boiled water, so that the boiled beans will not turn yellow after drying.
(3) Boil the beans in a pot.
(4) Take out the beans when they turn green.
(5) Pass the beans through cold water once.
(6) Add proper amount of edible salt.
(7) Put the beans on the rope to dry for 2 days.
(8) Remember to cover with gauze to prevent flies.