2. Cook directly in the oven. Pour the milk into the pot and cook it with slow fire, stirring while cooking until there is hot air on the surface and it does not boil.
3. Microwave heating. Pour the milk into the special cup of microwave oven and heat it for 2 minutes. The main component of milk packaging material is polyethylene, which will decompose and change when the temperature reaches 1 15℃, which may have an impact on human health. Therefore, it is absolutely forbidden to heat milk and plastic bags together in a pot.