2. Potted dishes are a dietary custom in Shenzhen, Guangdong and the New Territories of Hong Kong. It is said that they originated in the late Southern Song Dynasty and have a history of hundreds of years. They are a kind of chowder dishes. Traditional potted vegetables are held in wooden or antimony pots. Pot dishes, a traditional dish originated from the village of Wai in Yuen Long, can contain hundreds of dishes and tastes in one pot, and the basic principle is "harmony and taste". In the past, when there were festive events in the countryside, they were equipped with wooden benches and heated with charcoal in an open place. Everyone gathered around the hot pots of vegetables and celebrated while tasting them. People like to eat potted vegetables on holidays, and potted vegetables have the meaning of celebration and reunion.