Preheat oven to 350 degrees F. Place corn in husks directly on the oven rack. Bake for 35-40 minutes or until fork-tender.
While corn is cooking, in a small bowl combine garlic powder and mayonnaise.
When corn is done brush with garlic mayo. Roll in cotija cheese.
Sprinkle with cilantro and chili powder.
Squeeze with fresh lime juice if desired.
