The Biggest Mistakes Everyone Makes When Cooking Grilled Cheese

A grilled cheese sandwich can be simple and cheap, like when you're served up some white bread on American cheese from a greasy spoon diner, or it can be an upscale indulgence, with truffles or caviar on brioche bread. Either way, it's delicious, unless you manage to goof it up with the wrong ingredients, a messed-up ratio of bread to cheese, or some other no-no.