Tools/raw materials: soybean 1 kg watermelon 4 kg.
1. Wash soybeans for later use, take appropriate amount of pepper, aniseed, ginger slices and salt, and add appropriate amount of water to boil.
2. After boiling, let it cool for later use. Wash and dry fresh watermelons, and prepare containers.
3. The proportion of watermelon sauce is one catty of beans, four catties of watermelon and four liang of salt. A layer of bean paste, a layer of watermelon and a layer of salt.
When you are ready, cover the container with clean gauze and expose it in a sunny place.
5. When the bean paste is dried with a little water but still sticky, you can add watermelon.
6. Then stir well and expose to the sun again for about a month.