Portobello “Philly Cheese Steak” Sandwich {Vegetarian}

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Portobello "Philly Cheese Steak" Sandwich | www.nutritiouseats.com

Do you keep a list of things you want to cook? I suppose that is what people use Pinterest for these days, among other things, but I am a little old fashion. I just keep a list in my planner or maybe if I am feeling high tech in the notes section of my iphone. Fancy, I know!

I have had a portobello “cheese steak” on the list for some time now because I adore anything with portobellos, but it wasn’t until an old high school friend emailed me a similar recipe she tried that pushed me to finally cross it off the list. I’ll have to admit I’ve never had a true cheese steak because I don’t really eat beef. What does that mean you might wonder? Well, I’ve had a hamburger or a bite of steak on occasion (like probably less than 5 times a year), but other than that beef doesn’t do much for me.

I loved this sandwich so much so that I bought more ingredients to make it again this weekend. SO easy, filling and flavorful, My kind of vegetarian eating. I made enough for two big sandwiches but one had one sandwich for lunch and ate the filling for dinner plain with my leftover sweet potatoes. It would be great on pasta too. If you are watching your carbs, you could also do an open-faced sandwich.

I wanted to make sure I didn’t ruin the sandwich with store bought bread so my plan was either to stop by a bakery or make some homemade rolls.

Portobello "Philly Cheese Steak" Sandwich | www.nutritiouseats.com

I can make a roast chicken with my eyes closed, I can whip up a decent cupcake or quick-bread, but yeast bread and I don’t always get along. I almost ALWAYS have to make a recipe twice.

I know bread dough temperamental- the humidity, the temperature inside the house, how you handle it, the temperature of the water you proof the yeast in, etc. can all affect the outcome. I keep saying I should just get a bread machine but I am kind of determined to get it right by hand, you know? So sure enough I had to try two different recipes before being satisfied. I wouldn’t say the bread was perfect- maybe a little too dense, but it was pretty good considering I don’t get a chance to make homemade bread very often. I scooped out a little of the filling and toasted it and I think it definitely made the sandwich extra special. I am pretty picky about store-bought bread, rolls, buns, etc.

I made the hoagie rolls a couple nights prior to making the sandwich so the sandwich definitely came together quickly. Perfect for a weeknight meal! I will post the bread recipe after making them one more time because I  need to find my notes as I tend to eye-ball ingredients.

Portobello "Philly Cheese Steak" Sandwich | www.nutritiouseats.com

On another note, I am 33 weeks along in the pregnancy! I can’t believe the craziness that the next 7 weeks will bring. I’ve got my birthday and my daughter’s birthday in December, oh and we can’t forget about Thanksgiving and Christmas. I just pray that I don’t go into labor too early because I need my parents to get here in time for delivery. It all makes me a little nervous but I will continue trucking along, hoping everything works itself out!

Happy friday everyone!

P.S. Whether you love beef or not, you should put this on your meal plan. Vegetables rock!

Portobello “Philly Cheesesteak” Sandwich


  • 2 teaspoons olive oil
  • 4 large portobello caps (12 ounces), mushrooms wiped clean, gills and stem removed, sliced
  • 1 medium onion sliced
  • 1 large red bell pepper
  • 2 heaping teaspoons dried oregano
  • 1/4 teaspoon black pepper
  • a few shakes of red pepper flakes
  • 1 heaping Tablespoon soy sauce
  • 1 Tablespoon flour
  • 1/4 cup vegetable broth
  • 4 ounces provolone cheese
  • 4 Whole Wheat Hoagie Rolls


  1. In a large non-stick skillet, heat oil. Add onions, cook for ~2 minutes. Add mushrooms and bell pepper, stir in oregano and pepper and cook for ~7 minutes or until softened.
  2. Turn heat to low, sprinkle on flour, add vegetable broth and soy sauce and bring to a simmer. Remove from heat.
  3. Add provolone slices on top of vegetable mixture until melted. Divide veggie mixture evenly into toasted hoagie rolls or buns of choice.


Recipe adapted from Eating Well

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Questions: Are you a cheese steak fan? Ever make your own sandwich rolls?

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  1. I absolutely love portobello mushrooms. Too bad I’m the only one in my house. Although, if I made this, I’d have everyone drooling and asking for a bite!
    Angela @ Happy Fit Mama recently posted..Friday FavoritesMy Profile

    • Melanie Flinn, MS, RD says:

      You could always add a little steak to your hubbys/kids’ sandwiches. I only made half the recipe since it was just for me. I had one sandwich then ate the veggie/cheese mixture at the next meal without any bread. So good and worth it- even if just for you!

  2. Yumminess! I always forget that portabellos are a good sub for red meat… that looks so delish!
    Laura @ Mommy Run Fast recently posted..What is Glycogen Depletion Training?My Profile

  3. Sun says:

    I’m not usually a fan of mushrooms, but these sandwiches look great! I love cheesesteaks, so I’m curious to see how the mushrooms taste in place of the usual meat :)
    Sun recently posted..Cheddar Bay BiscuitsMy Profile

  4. My boyfriend is a huge fan of Philly Cheese Steaks. Just figured out how I’m going to win the best girlfriend of the weekend award and enjoy it myself :)
    Whitney @ To Live & Diet in L.A. recently posted..3 Crazy-Good, 3-Ingredient PancakesMy Profile

  5. Oh this looks absolutely fabulous! I’ve only had 1 Philly Cheese Steak in my entire life.. Yeah, I deprived:) But it was in Philly so I made sure it was a good one:) I’m going to print this and give it a try, thanks for sharing!!!
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    • Melanie Flinn, MS, RD says:

      Great, hope you like them! I bet it was a good one- if I went to Philly I’d try the real deal too.

  6. Yum-this looks so good!!! For some reason I have never had the urge to eat a Philly Cheese Steak (and I do like beef), but your mushroom version looks amazing! S fun-you and my cousin are having babies close together, although she is due early December and its her first one, wile you are a baby expert :-). Hope your parents make it out too!!!
    EA-The Spicy RD recently posted..4th Annual December Fitness Challenge & Fitbit Force Giveaway 2013My Profile

    • Melanie Flinn, MS, RD says:

      Thanks EA!! The first pregnancy is unforgettable. I’ve just reached the uncomfortable stage so am ready to meet this lil guy/girl!

  7. Oh yes, I am old fashioned too, I keep my list on my fridge! I mean I use pinterest to pin favorites, but then I keep my list of what I want to make up on my fridge (by my grocery list).

    I actually made a portobello cheese steak without the bread a few months ago, and posted it. It’s similar to this but I bet Nick would have preferred this version!!
    the Candid RD recently posted..Simple Shredded Chicken, Peanut Butter and Chocolate Style!My Profile

  8. Miz says:

    Ive never had a portobello mushroom!!
    Miz recently posted..I sleep like a toddler.My Profile

  9. Oh I love portobellos! Thanks for reminding me because I haven’t had them in a while. These look delicious!
    Christine @ Love, Life, Surf recently posted..Teaching Final Done!My Profile

  10. Ha! You totally tricked me! I certainly thought that was MEAT! Not mushrooms! I do love me some protobellos!
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  11. Kristen says:

    YUM! I live 40 minutes north of Philly but have never had a cheesesteak (I know, crazy) and gave up meat almost two years ago. I am thinking I need to try this!
    Kristen recently posted..Philly Marathon 2013!My Profile

  12. LOVE philly cheese steak sandwiches. We do eat meat, but I also love having vegetarian versions of favorites since we try to include many veggie friendly meals into our regular meal rotation. Will have to try these!

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