Meaty portobello cheesesteak sandwiches! Hearty, filling hoagies full of portobello mushrooms, caramelized onions, and peppers.


This portobello cheesesteak sandwich is a hearty, meaty sandwich and the proper vegetarian possibility for my associates who crave outdated, scrumptious meals like I do.
These portobello mushroom sandwiches are good for weeknight dinners—a giant sandwich lined in caramelized onions, peppers, mushrooms, and melty provolone cheese.
Serve with roasted potatoes for a lighter tackle conventional cheesesteak and fries. See beneath for extra particulars, or head to the complete recipe beneath.


Why I like this recipe
As an East Coast woman, I’ve had my fill of Philly-style cheesesteak sandwiches in my life. It was one in every of my favourite meals as a child, and now as a long-time vegetarian, I’ve traded the steak for portobellos whereas retaining the juicy peppers, onions, and melty cheese.
Dairy-free? I wager that my cheddar cheese sauce could be superb drizzled on this; or a couple of dollops of my vegan mozzerella cheese.
Ingredient Notes
- Portobello: Large, meaty portobello mushrooms are finest for this sandwich, however sliced button mushrooms can be utilized instead if wanted.
- Peppers: I don’t suppose the colours matter for this sandwich; I identical to doing a purple and inexperienced for shade distinction.
- Onions: The caramelized onions are key to this sandwich, including a major quantity of taste and texture to those portobello cheesesteaks. I like to recommend taking the time to actually caramelize them and never speeding them.
- Hoagie Rolls: Head to the deli to seize good hoagie rolls for these sandwiches. They deserve sturdy, crusty bread that may maintain the filling.
- Provolone Cheese: I seize sliced cheese from the deli counter every time I’m making these sandwiches. Since we aren’t massive provolone cheese eaters (moreover these sandwiches, clearly), I didn’t need a whole bundle of sliced cheese going to waste within the fridge. I do that trick typically once I need a couple of slices, and it often finally ends up being solely a greenback or two, with no waste!
Easy methods to Make
Step 1: Caramelize the Mushrooms
Whereas these portobello cheesesteak sandwiches are fairly easy, you do want to permit sufficient time for the onions to develop into actually darkish and caramelized. This will take 20-Half-hour, a comparatively fast course of, so slice the onions, add them to the pan, and do one thing else. Stir them each 5 minutes or so, however it is a nice time to make amends for laundry, prep different meals for the week, cling with your loved ones, or feed a child!
Be sure so as to add a pinch of salt right here to assist the onions launch their juices.


Step 2: Add the Mushrooms
Take away the stems and gills from the portobello mushrooms and slice, then add to the pan. Cook dinner the mushrooms and allow them to soften a bit, then prepare dinner, stirring typically, till they’re browned and cooked down.


Step 3: Fill the Hoagie and Bake
Add the peppers and prepare dinner till tender. Whereas the peppers are cooking, break up the hoagies and place in a preheated oven and prepare dinner for 2-3 minutes till toasted. This helps stop the hoagie bread from turning into overly soggy with the filling.


Take away the toasted bread, then fill with the mushroom, onion and pepper filling. High with a slice or two of provolone cheese and pop into the oven and toast till the cheese is melty.




Easy methods to Serve
I like serving these with a inexperienced salad for texture distinction, however they’re additionally implausible with my herb roasted potatoes. Hoagie rolls are a should for me, however you may as well serve them in a bun of your selection, or in a wrap.
I’m additionally a giant fan of spice, so I like topping my canned sizzling peppers in oil (for a really Italian twist) or chili crisp.


Ideas for Success
- Select the Proper Portobellos: I like to decide on massive, agency caps with gills that aren’t moist or mushy. I favor to scrape out the gills for a much less “earthy” taste, however that’s non-compulsory.
- Sear Mushrooms: Slice the mushrooms into 1/2-inch strips so that they prepare dinner correctly. In the event you slice them too skinny, they’ll shrivel when cooked.
- Use a big sufficient pan: I take advantage of my massive cast-iron pan for making these sandwiches, giving the mushrooms, onions, and peppers sufficient house to sear correctly with out steaming.
- Select Good Bread: For these sandwiches, I seize rolls from the bakery part of our grocery retailer. They are typically a bit heartier than ones you’ll discover within the bread aisle.
- Don’t skip the broil! Put the stuffed sandwiches underneath the broiler and allow them to soften to perfection. Then, take away and luxuriate in… with loads of napkins.


Extra Mushroom Recipes
In the event you do that portobello cheesesteak sandwich recipe, let me know! Go away a remark, charge it, and tag your Instagram photographs with #delishknowledge . I completely love seeing your creations. Blissful cooking!


Portobello Cheesesteak Sandwiches! You’ve gotta strive these vegetarian sandwiches. Caramelized onions, peppers and mushrooms in a toasted hoagie roll and provolone cheese. A must-make!
- 1 tablespoon olive oil
- 3 massive white onions, thinly sliced
- 4 bell peppers, thinly sliced into strips (I used 1 purple and 1 inexperienced pepper)
- 3/4 teaspoon salt
- 4 garlic cloves, minced
- 1 1/2 teaspoon dried oregano
- 1/4 teaspoon crushed purple pepper
- 8 portobello mushroom caps, gills eliminated and sliced
- 8 slices provolone cheese
- 4 massive hoagie rolls
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Warmth the olive oil in a big skillet over medium warmth. Add the onions and saute till very caramelized, about 25-Half-hour, stirring often. Could take longer relying on the dimensions of your onion slices.
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Add within the bell peppers and prepare dinner till simply tender, then add within the salt, garlic, oregano, crushed purple pepper and mushrooms.
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Cook dinner till mushrooms are browned, about one other 10-Quarter-hour.
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Preheat the oven to 400 levels F. and place the break up hoagie rolls on a baking sheet. Place the rolls within the oven till toasted. Divide the mushroom combination among the many rolls and high every with a slice of provolone cheese.
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Place the sandwiches again within the oven till cheese is melted. Take away from the oven and serve instantly.
Serving: 1sandwichEnergy: 445kcalCarbohydrates: 56gProtein: 21gFats: 17gSaturated Fats: 7gPolyunsaturated Fats: 1gMonounsaturated Fats: 5gTrans Fats: 0.01gLdl cholesterol: 26mgSodium: 1031mgPotassium: 1060mgFiber: 8gSugar: 17gVitamin A: 4112IUVitamin C: 159mgCalcium: 344mgIron: 12mg

