Easy Roasted Corn on the Cob- This is the easiest way to cook corn on the cob. There is no need to husk the corn, just throw it in the oven for 20 -25 minutes. The husk traps the moisture in, resulting in a tender and juicy ear of corn. Once the corn is cooked the husk and silk practically slip right off. After try this recipe, you will never boil corn again!