The correct way to cook black beans is as follows:

Main ingredient: 500g of black beans.

Accessories: 100ml of aged vinegar.

1, the green core black beans and aged vinegar ready.

2. Wash the black beans and put them into the pot.

3. Cook the black beans for 20 minutes.

4, after cooking, fish out.

5, lay flat on a plate to dry.

6, prepare a bottle.

7, put the black beans into the bottle, pour the aged vinegar, the vinegar should be no more than the black beans, seal, 7 days later, you can eat.