Common alkaline vegetables are kelp, cucumber, carrot, dried plum, spinach, cabbage, rape, cabbage and so on. Appropriate amount of alkaline vegetables can be added to dumpling stuffing to reduce sour taste.

Starch or flour can also be added: some starch or flour can be added to the dumpling stuffing to absorb the moisture and sour taste in the stuffing. However, it should be noted that the addition of flour or starch should not be too much, so as not to affect the taste and quality of jiaozi.