Preheat oven to 375 degrees Fahrenheit.
Combine butter and garlic then mix well.
Remove the extra shell from the mussel. Place some butter and garlic mixture on the mussels using a teaspoon or brush.
Top the mussels with grated quickmelt cheese.
Arrange the mussels in a baking tray lined with Aluminum foil.
Bake for 15 to 18 minutes.
Remove from the oven and transfer to a serving plate.
Serve as an appetizer dish. Share and enjoy!