01 - Heat grill to medium-high heat, approximately 400°F.
02 - In a mixing bowl, thoroughly blend softened butter with minced garlic, parsley, salt, and black pepper.
03 - Brush each ear of corn lightly with some of the garlic butter mixture.
04 - Place corn on the grill and cook, turning occasionally, for 10 to 12 minutes, until kernels are tender and lightly charred.
05 - Remove the corn from the grill and immediately brush with the remaining garlic butter.
06 - Immediately sprinkle grated Parmesan over each ear of hot corn so the cheese softens and adheres.
07 - Serve warm, garnished with additional chopped parsley if desired.