Frozen dumplings are popular snacks in the winter. They can be easily eaten simply by warming them up. In particular, dumplings are perfect food in terms of nutrients as they contain all the required nutrients such as carbohydrates, meat proteins, and vegetables. In this regard, dumplings are emerging as a healthy food in recent years. Consumers prefer gyoza-type dumplings that can be used in various cooking styles due to the influence of cooking shows.