BBQ Grilled Oysters with Cheese. BBQ grilled oysters are an excellent appetiser or main course for any seafood fan. Melted Parmesan and Cheddar cheese, garlic, and parsley combine to make a delicious topping for fresh oysters. They're simple to make and cook quickly on the grill, making them an excellent choice for any outdoor gathering. #salt and pepper, #oysters, #bbq, #cheddar cheese, #garlic, #butter