To cook the corn, you can grill it or boil it. To grill, brush the ears of corn with a bit of oil. Place them over a grill or grill pan, set over medium heat, and let the corn cook and char slightly, turning every 3 minutes until all the corn is done, anywhere from 9 to 12 minutes total. Remove from the heat. You can also cook the corn it in boiling water until soft and cooked, less than ten minutes.