Preheat the grill to medium-high heat
Peel back the husks if using husked corn, then remove the silk
Soak husked corn in water for 10 to 15 minutes if you want to help prevent burning
Brush the corn lightly with oil or melted butter
Season with salt and pepper if desired
Place the corn directly on the grill grates or keep it in the husk for a more steamed result
Grill uncovered, turning every 2 to 3 minutes
Cook for 10 to 15 minutes total, until kernels are tender and lightly charred
Remove from the grill with tongs
Add more butter, salt, or seasonings before serving