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Forget everything you know about grilled cheese. This is not American cheese between two slices of white bread. This is formaggio alla griglia – an Italian grilled cheese made with provolone, freshly shredded Parmesan, garlic-infused olive oil, and spinach on a thick, crusty Italian loaf. It is simple, fast, and so much better than what most people think of when they hear “grilled cheese.”

I like to use a good Italian loaf of bread to make this sandwich. It is a little thicker than just sliced bread and holds the cheeses and the spinach well. If you have our basic Italian bread on hand, that is the perfect choice. You can also shape the dough into hoagie rolls before baking, which is exactly what we do for our Italian hoagies.

What Makes This Italian Grilled Cheese Different

Two things set this apart from every other grilled cheese you’ve ever had: the garlic olive oil and the cheese combination.

Instead of butter on the outside of the bread, we brush it with extra virgin olive oil that has been mixed with freshly grated garlic. Grating the garlic – rather than mincing it – allows it to infuse into the oil much more effectively. It gives the bread an amazing flavor that you just can’t get any other way. I encourage you to try it at least once. You will never go back to butter.

The combination of provolone and Parmesan is fantastic. The provolone melts beautifully and gives you that stretchy, gooey pull that you want in a grilled cheese. The shredded Parmesan adds a salty, nutty depth that takes the whole sandwich to another level. Together they create something that is rich and satisfying without being heavy.

The spinach adds a freshness that balances the richness of the cheese and the garlic. It wilts down as the sandwich cooks, so you get just a hint of green in every bite. If you have leftover bruschetta tomato topping, try adding a spoonful inside. It’s incredible.

What You Need

Bread: One Italian hoagie roll or two thick slices of Italian bread. This is key – you want bread with structure that can hold up to the cheese and the frying pan without falling apart. Our basic Italian bread recipe works beautifully here, especially if you shape it into small hoagie-style rolls. You could also use our rosemary bread for an herbed version – the rosemary and garlic together are outstanding.

Extra virgin olive oil: We use Partanna extra virgin olive oil for everything in our kitchen. The quality of the oil matters here since it’s going directly on the bread.

Garlic: One clove, grated (not minced). This is an important detail. A microplane or fine grater turns the garlic into an almost paste-like consistency that dissolves into the oil. Minced garlic sits on the surface of the bread. Grated garlic becomes part of it.

Provolone: Two slices. Provolone melts smoothly and has a mild, slightly sharp flavor that doesn’t overpower the other ingredients.

Parmesan: 1/4 cup, freshly shredded. Use real Parmigiano Reggiano if you can. The pre-shredded kind in a bag has anti-caking agents that prevent it from melting properly.

Spinach leaves: A handful of fresh spinach. It wilts down significantly, so don’t be shy about piling it on.

How to Make Formaggio alla Griglia

Make the garlic oil. Grate one clove of garlic directly into a small bowl of extra virgin olive oil. Stir to combine. The garlic should almost disappear into the oil – that’s how you know it’s grated finely enough.

Prep the bread. If using a hoagie roll, slice it open. If using sliced bread, lay both pieces flat. Brush the outside of the bread generously with the garlic oil mixture. This is the side that will hit the pan.

Build the sandwich. Layer the provolone, shredded Parmesan, and spinach leaves on the inside of the bread. Close the sandwich.

Cook low and slow. This is the most important step. Place the sandwich in a warm frying pan over medium to medium-low heat. Don’t rush the cooking process! You want the bread to toast slowly so it develops a deep golden crust while the cheese has time to melt completely. If the heat is too high, the bread will burn before the cheese melts. Cook until golden on the first side, then carefully flip and cook until the second side is golden and the cheese is melted and stretchy.

Tips for the Perfect Italian Grilled Cheese

Grate your garlic, don’t mince it. I know I’ve said it already, but this is the single biggest difference-maker in this recipe. A microplane turns the garlic into a paste that infuses the oil completely. Minced garlic just doesn’t do the same thing.

Keep the heat low. Medium to medium-low. The biggest mistake people make with grilled cheese is cooking it too fast. A lower temperature gives the bread time to get golden and crispy while the cheese melts all the way through. If you see the bread browning too quickly, turn the heat down.

Use thick bread. Thin sandwich bread will get soggy from the olive oil. You want a bread with some body to it – something that will get crispy on the outside and stay soft on the inside. Italian bread, a hoagie roll, or even a thick slice of our basic Italian bread is ideal.

Press it gently. While it’s cooking, use a spatula to press the sandwich down gently. This helps the bread make full contact with the pan for an even crust and helps the cheese start melting faster.

How to Serve Formaggio alla Griglia

This Italian grilled cheese is delicious on its own, but it’s even better paired with a warm bowl of tomato soup for dipping. We also love it alongside our simple tomato sauce warmed up as a quick dipping sauce. It makes a perfect quick lunch, easy dinner, or after-school snack.

If you want to make it a bigger meal, serve it with a simple green salad dressed with olive oil and lemon, or alongside our Italian antipasto board for a spread that feels like you’re eating in a little Italian café.

Variations to Try

Once you master the basic recipe, try these variations. Swap the spinach for fresh basil leaves and a slice of tomato for a caprese-style grilled cheese. Add a thin layer of our homemade ricotta spread on the inside of the bread before layering the provolone for an extra creamy, indulgent sandwich. Use mozzarella instead of provolone for a milder, stretchier melt. Or add a few slices of prosciutto or capicola for a heartier version.

Love simple Italian recipes like this? Our Roots of Sicily cookbook has 167 authentic Sicilian recipes passed down through four generations – from quick weeknight meals to holiday feasts.

Mamma’s Tip: We love slicing this sandwich on our mini cutting board – it’s the perfect size for a single sandwich and makes cleanup easy.