Black beans in moderation.

Accessories:

Balsamic vinegar 1 kg.

Exercise:

1. Wash and dry black beans, as shown in the figure below.

2. Stir-fry over medium heat until the skin explodes.

3. Stir-fry with slow fire 10 minute.

4. Cool the black beans and put them into the pot.

5. Add1000g balsamic vinegar without black beans.

6. Keep it in the shade for a month.

7. done.