First, wash the purchased black beans with clear water and put them in a basket to dry.

Second, after drying, put it in a pot and fry it over medium heat until the skin bursts.

Third, stir fry for 10 minutes after the skin is cracked.

Fourth, the fried black beans are cooled and put into the pot.

5. Add1000g balsamic vinegar without black beans.

6. Keep it in the shade for a month.

Soaking black beans in vinegar has the effects of caring skin, losing weight, tonifying kidney, improving eyesight and blackening hair, and can effectively improve constipation, hypertension, hyperlipidemia, backache and leg pain, diabetes, prostate disease, gray hair, coronary heart disease, decreased vision, eye pain, dryness, dizziness, headache and other symptoms caused by watching computer or TV for too long. At the same time, soaking black beans in vinegar also has a good effect on improving myopia and other eye diseases.