Practice:

1, put the black beans in a pan and cook them over medium heat until the skin bursts open, then cook them over slow heat for about 10 minutes.

2, put the cooked black beans into a glass jar, add the original balsamic vinegar, and take up about 1/3 and 2/3 of the jar (because the beans will rise).

3, when it becomes cool, seal the lid of the bottle, and wait until the black beans have absorbed the vinegar and swelled up, then it can be eaten.

4, over time the vinegar will be above the membrane, you can throw away the membrane, such as vinegar cloudy, re-exchange the vinegar. Put it in a cool place or refrigerator to keep it for 10 days and then you can eat it.

Consumption: the best time to use black beans in the night 5-7 pm kidney meridian the most prosperous time to eat, generally eat about 25. Such regular consumption can replenish and strengthen the kidneys and make gray hair turn black.