2. Boil the steamer with water, and then put the steamer into the steamer.
3. Put the pot helmet on the steaming rack, and evenly coat a layer of oil on the surface of the pot helmet to prevent the pot helmet from sticking to the steaming rack.
4. Put the helmet into the steamer, cover the lid and steam it for 10- 15 minutes on medium fire, or until the helmet is completely cooked.
5. After steaming, take the helmet out of the steamer, put it on the chopping board to cool it a little, and then cut it into small pieces to eat.