Pork should be fat and thin, and the stuffing should be tender, smooth and juicy, without firewood. Seasoning should be added according to personal taste. Cooking oil can lock water in dumpling stuffing, but cooking oil is not as good as cooking oil. The stuffing mixed with cooking oil tastes more fragrant.

Sauerkraut doesn't need soaking water, so it can be washed directly with flowing water. Jiaozi can do it according to his personal habits. When cooking jiaozi, the water should be wide, the jiaozi should be heated evenly, the skin should be soft and the stuffing should be fragrant. After jiaozi is put into the pot, it will be cooked twice in cold water, and jiaozi will be cooked.