01 - Heat grill to medium-high (approximately 400°F).
02 - Combine softened butter, minced garlic, chopped parsley, salt, and black pepper in a small mixing bowl and blend until smooth.
03 - Lightly brush each ear of corn with a portion of the garlic butter mixture.
04 - Place corn on the grill and cook, turning occasionally with tongs, for 10 to 12 minutes until kernels are tender and lightly charred.
05 - Remove corn from grill. While hot, brush remaining garlic butter over each ear and sprinkle generously with freshly grated Parmesan cheese.
06 - Serve immediately. Garnish with extra parsley if desired.