Total Calories: 229
Divide the potatoes, carrots and onion equally between four pieces of heavy-duty aluminum foil. Top with butter and sprinkle with salt and pepper. Seal tightly in foil. Grill, covered, over medium coals for 20-30 minutes or until potatoes are tender. Remove from grill. Open foil and sprinkle with cheese. Reseal foil for 5 minutes or until the cheese melts.