Cooking corn in a pot under cold water usually takes 15-25 minutes, plus about 5 minutes in the case of sticky corn. It's best not to remove all the outer husk from the cooked corn, just cut off the root.

Normal cooking corn, it is best to hot water in the pot, so that the sweet corn flavor is strong. Hot water in the pot, tender corn or fruit corn, cook 10-15 minutes on it. Glutinous corn more than 5 minutes to cook.