If you’re craving something hearty and savory without the meat, these Grilled Mushroom Cheesesteaks are about to become your new obsession. Loaded with meaty portobello mushrooms, caramelized onions, melty cheese, and crusty rolls, this vegetarian spin on a Philly classic delivers big flavor in every bite.
These sandwiches are satisfying, juicy, and full of umami thanks to the mushrooms, which soak up the flavors of garlic, soy sauce, and Worcestershire (optional). Once grilled, they take on a smoky richness that rivals the best steak sandwich.
The secret to these cheesesteaks is building layers of flavor. Start with a solid base of sautéed onions and bell peppers. Add sliced portobellos, then grill or pan-sear them until golden. Top everything with a generous amount of cheese and toast it all in a crusty hoagie roll.
This dish is perfect for meatless Mondays, casual dinners, or even game day. It’s the kind of recipe that wins over skeptics and satisfies everyone.
Not only are they hearty and delicious, but they’re also quick to prepare. Most of the work is done on the stovetop or grill, and you can have them on the table in under 30 minutes.
They’re great for customizing too—swap provolone for mozzarella, add banana peppers, or slather the roll with garlic aioli for an extra flavor boost.
No bacon, pork, or alcohol here—just a wholesome sandwich that feels indulgent but is lighter on your body. You can even make them vegan by using dairy-free cheese and a vegan Worcestershire alternative.
Serve them with a side of sweet potato fries, chips, or a crisp salad. They’re filling enough to be the main event, but still leave room for dessert.
Mushrooms are the star of the show here, with their meaty texture and earthy flavor. You’ll never miss the steak once you bite into one of these.
Plus, these sandwiches look gorgeous. The contrast between the caramelized veggies, dark mushrooms, and gooey melted cheese is irresistible.
So if you’re looking to eat more plant-based or just want something easy and tasty, this is a must-try. Comforting, cheesy, and full of bold flavor—you won’t be disappointed.
Servings: 4 sandwiches
Time:
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Ingredients:
- 4 hoagie rolls or sandwich buns
- 4 large portobello mushrooms, stems removed and sliced
- 1 tablespoon olive oil
- 1 large onion, thinly sliced
- 1 bell pepper, thinly sliced (any color)
- 2 cloves garlic, minced
- 2 tablespoons soy sauce
- 1 tablespoon Worcestershire sauce (optional)
- Salt and pepper, to taste
- 1 1/2 cups shredded provolone or mozzarella cheese
- Optional: garlic aioli, banana peppers, or hot sauce for serving
Instructions:
- Heat olive oil in a skillet over medium heat. Add onions and bell pepper; sauté for 5–7 minutes until softened and caramelized.
- Add garlic, mushrooms, soy sauce, and Worcestershire (if using). Cook for another 6–8 minutes until mushrooms are tender and browned.
- Toast the hoagie rolls lightly under a broiler or in a toaster oven.
- Divide the mushroom mixture evenly among the rolls.
- Top each sandwich with shredded cheese.
- Place under broiler for 1–2 minutes until cheese melts.
- Add any optional toppings like aioli, peppers, or hot sauce.
- Serve hot and enjoy!
Tips:
- For extra flavor, marinate mushrooms for 15 minutes in soy sauce and garlic before cooking.
- Use vegan cheese and sauces to make this recipe fully plant-based.
- Double the veggies for a more filling sandwich.
- Make ahead by cooking the mushroom mix in advance and reheating before assembling.
Why You’ll Love This Recipe:
It’s the ultimate meatless comfort food! These mushroom cheesesteaks are rich, melty, satisfying, and full of umami flavor. Quick, easy, and great for weeknights or entertaining.
Summary: Grilled Mushroom Cheesesteaks are a vegetarian twist on the classic Philly sandwich—juicy mushrooms, caramelized veggies, melty cheese, and toasted rolls combine for a mouthwatering plant-based meal.