10 to 15 minutes or so. If it is glutinous corn, sticky corn and black corn, etc. need to be heated for about 15 to 25 minutes. You should not cook the corn for too long, otherwise the flavor will become bland and the texture will deteriorate.
1, practice: peel the corn, choose to remove the beard.
2, first steamer pot into a pot of boiling water or into the amount of water directly into the boil (the amount of water should not be more than the pot lid) after boiling put into the corn, cover the lid, medium-high heat can be cooked for 15 minutes.