This dish in the picture is called steamed stuffed bun mustard tuber, also called children's dish and fist dish.

Embrace mustard (network picture)

It is planted in many parts of the country, especially in southwest China, such as Sichuan, Yunnan and Guizhou. There are also various practices, such as cooking, cold salad and soup.

Fried meat with vegetables (network picture)

Cold salad (network picture)