My Ultimate Philly Cheesesteak Grilled Cheese recipe has been sponsored by Martin’s Famous Potato Rolls and Bread. All opinions are mine alone, as always.
This Ultimate Philly Cheesesteak Grilled Cheese is piled with layers of melted provolone cheese, thinly sliced steak, and sauteed onion and peppers on top of thick slices of buttery bread grilled to golden-brown perfection!

Sure, you could just slap some meat on your grilled cheese with some peppers and onions, and call it a day. But that wouldn't be the ultimate Philly Cheesesteak Grilled Cheese, now would it? To make the ultimate Philly Cheesesteak Grilled Cheese you need to perfect the details.
The most important consideration when making a gourmet grilled cheese sandwich is the bread. I highly recommend a Texas toast style, thickly sliced loaf, because it will soak up the flavor of the grilled cheese while adding body to the sandwich. No wimpy slices of bread people!! Martin's Old Fashioned Real Butter Bread is the best bread for grilled cheese, in my not so humble opinion. Made with real butter and cane sugar, Martin's Butter Bread has exceptional flavor on its own, and it really shines in this Philly Cheesesteak Grilled Cheese recipe.

Grilled Cheese Bread Tip: I like to lightly toast my bread to firm it up before making a grilled cheese sandwich. The drier bread can better absorb the flavors of the grilled cheese without getting soggy or collapsing. I don't toast it enough to brown it, just to crisp the exterior.

No gourmet grilled cheese would be complete without, well, CHEESE! You are looking for a mild flavored cheese for this Ultimate Philly Cheesesteak Grilled Cheese. Provolone is the best cheese for this, though if you are feeling adventurous feel free to use half provolone and half mild cheddar. Sorry Philadelphia purists, you can keep your processed cheese in a can. I'm from Wisconsin!
Finally, what temperature should you cook a grilled cheese sandwich? I recommend medium-low. It is hot enough to brown the buttered bread to form that mouthwatering crust, yet low enough to allow the cheese to melt before the bread burns. Stovetop temperatures can vary, so adjust your heat as needed.

Ultimate Philly Cheesesteak Grilled Cheese
Ingredients
- 12 slices Bread (Recommend Martin's Butter Bread)
- 7 tablespoon butter, divided
- 12 slices provolone cheese
- 18 oz very thinly sliced steak (Ribeye is a great choice)
- 1 small red onion, sliced
- 1 green pepper, sliced
- salt and pepper
Instructions
- Cook thinly sliced steak in skillet on medium-high until nicely browned and forming bits of char. Season with salt and pepper.
- Melt one tablespoon of butter in a skillet and saute green peppers till beginning to soften, then saute onions. (These can be sauteed together, however green onions cook slower, so start them first)
- While vegetables saute, lightly toast bread to firm it up. Toasted bread should still be pale in color.
- Divide beef, onions, and peppers into 6 equal portions for 6 sandwiches.
- Liberally butter one side of each slice of bread, place buttered side down, top bread with 1 slice of cheese, 1 serving of cooked steak, 1 serving of onion, and 1 serving of peppers. Then top with a second slice of cheese and cover with a second piece of bread, buttered side up.
- Working in batches as needed, place sandwich in a clean skillet on medium-low heat and grill until bread is crispy and golden brown and cheese has melted. Adjust heat as needed.
- Serve immediately.
Notes
Nutritional Information
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Joel T
Two of my favorite things!
Rachel
That sandwich is a thing of beauty.