Soak black beans in hot water for two hours, then let them cool and pour them into a bottle. Pour the aged vinegar not over the black beans and soak for one month.

The ingredients are as follows: 1,000 grams of black beans, 1,500 grams of vinegar;

The steps are as follows:

1. Soak the black beans in hot water for two hours.

2, cook and measure cool.

3, find the appropriate size of the glass bottle, the black beans all poured into the bottle.

4, pour the vinegar into the bottle, and the vinegar should be no more than the black beans.

5, soak for a month, during the bottle mouth do not open. After one month, the black beans are soaked.

Notes

Black beans must be cooked, so as not to undercook the black beans, resulting in poisoning and other adverse reactions.