Drizzle the corn with olive oil and sprinkle with salt and pepper. Mix to ensure all the ears are evenly coated.
3. Step
Place the corn on the grill. Close the lid to keep the temperature high, and let the corn cook for about 15 minutes per side, or until slightly charred on all sides.
4. Step
Remove the corn from the heat and set aside.
5. Step
Place the garlic and butter in a microwave-safe bowl and microwave for 1 minute, or until melted.
6. Step
Brush the garlic butter on the corn. Sprinkle with grated parmesan cheese.