You might not imagine feta is a good option for a dish as melty as this one, but we'd argue feta belongs in more of just about everything. Combine it with some salty veg (and some mozzarella, but we'll get there) and you've got .

Any cheese that moonlights as fondue is perfectly suitable for sandwich duty as well. Load your gruyere grilled cheese with your meat of choice for .

and dumped onto bread.

Another fondue fav, Swiss is a natural selection for a grilled cheese, if not one for a more grown-up palette.

Mozzarella is a milder cheese, which means (1) it's a crowd-pleaser and (2) it'll pair with just about anything else you want to throw into your sandwich. Go ahead and , even.

For a smoother, sweeter grilled cheese experience, . Seriously, you're going to want to dip this stuff into all the soups and sauces you can find.

Another cheese that not only plays nicely with others, but also is tangy and unusual in Grilled Cheese World. Enjoy!