The fillings of jiaozi vary according to personal tastes and regional differences. Common meat fillings for jiaozi include pork, lamb, beef, chicken, fish and shrimp. Jiaozi are usually boiled or steamed. They are a traditional dish that Chinese people eat on New Year's Eve and are especially indispensable for family reunions.

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https://www.bilibili.com/video/BV1WBB7YsEwq/?spm_id_from=333.337.search-card.all.click&vd_source=4643d5eb30d5dc7de92825083551d67c