Smile and Say “Cheese”! There is something so comforting about a Grilled Cheese Sandwich. It is by far one of the most popular sandwiches. Is it because it brings back childhood memories when life was carefree and simple? Maybe it is because they are fast and easy to prepare, especially on hectic days. Those are are two very persuasive reasons, but the fact is it is all about the cheese. Melted cheese is irresistible .