The materials that need to be prepared in advance include: 5 mustard, appropriate amount of salt and appropriate amount of rice wine.

1 Wash the bought fresh mustard and dry it, preferably without dripping water.

2. Open the dried mustard as shown in the figure.

3, the broken leaves.

4. Add coarse salt and rub hard.

5. Knead into the picture.

6. Put the vegetables into a container, add a proper amount of rice wine and water, and it is advisable not to overdo the mustard. Tighten the lid, put it in the shade, and soak it until it is golden yellow.