Ingredients: ginger, salt, sweet noodle sauce, soy sauce, sugar and pepper.

Practice: 1. Wash ginger, dry in the sun, put it in a container and marinate it with salt water;

2. After one month, take the ginger out of the salt water and dry it for 2 days;

3. After drying in the sun, soak in sweet noodle sauce, soy sauce, sugar and pepper for about 10 day.