Clean the cooler with hot water and dish soap.Tip: Although coolers can get dirty, don’t wash them with bleach or other chemicals immediately before using otherwise it will contaminate the corn.
Add the ears of corn to the cooler.
Fill the cooler with the boiling water; depending on the size of your cooler and the corn you may need a little more or a little less.Tip: Make sure the cooler is in the spot you plan to leave it for the whole cooking process (remembering you will need to empty the hot water off afterward). It is not a good idea to be carrying around a heavy cooler full of boiling water.
Put the lid down and leave the corn to cook in the hot water for 30 minutes.
After 30 minutes remove the corn from the cooler and pull back or remove the husks. Finish the corn on a barbecue or grill to add a little color and flavor.