1, boil corn to cold water, cold water is to let the heat slowly run into the corn inside, so that the corn cooked out of the corn is more glutinous, so that the corn to a greater extent to maintain the nutrients inside.
2, if the boiling water under the pot to cook corn, it will make the corn suddenly heat, so that the corn skin thickening, so that the corn cooked out of the more brittle, the taste is not so good.