Ingredients: 5 kg of long beans, 2,500 ml of cold boiled water, 0/5 ml of high-alcohol liquor/kloc-,250 g of salt and 3 g of pepper.

1. First, remove the head and tail of the long bean, and then soak the long bean in salt water for 20 minutes. When the time is up, wash the long beans with running water.

2. Put the washed long beans in the sun for 2-4 hours until the surface of the long beans is slightly sunburned.

3. Mix all boiled water, high-alcohol liquor and salt together, then put long beans into a glass jar, then put the prepared salt solution into the jar, and finally sprinkle with pepper. After sealing 1 month, the sour beans can be eaten.

4. This is the bean pickled after 1 month. Every time you take out a proper amount of beans for eating, you must seal the glass jar better.