Boil the water on the first night, blanch the washed beans and long peppers in boiling water until the water gets cold, remove the beans and peppers, dry the boiling water, then cut the beans into small pieces, shred the peppers, put them in a container, add some salt according to the amount and mix well.

If it is very hot, put it in the fresh-keeping area of the refrigerator. The next morning, put some oil in the pot, stir fry a few times, and you can eat sour and crisp beans.

Raw materials: fresh beans, long peppers, salt and water.

Quantity: one handful of beans, two long peppers, three spoonfuls of salt, subject to water.