Steaming is a cooking method that uses water vapor produced by boiling water as a heat transfer medium to mature food. In cooking, it is used to make both main dishes as well as snacks and pastries. In vegetable cooking, it can be used for both preheat treatment for semi-finished product processing and finished product cooking to make it mature or soft and cooked to taste. Vegetables, chicken, duck, fish, meat and other steamed dishes eaten collectively.