Portobello Mushroom Cheesesteak Sandwich

Portobello mushroom cheesesteak sandwich is made with meaty portobello mushrooms, peppers, onions and vegan cheese for a vegan version of a classic sandwich.

portobello mushroom cheesesteak sandwich dairy free vegan

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If you are a cheesesteak lover you may be wondering why leave the steak out of this delicious classic?  Mushrooms, when they are cooked properly make a fantastic substitute for meat.  In fact, I use them often as a meat substitute like these veggie burgers and these vegan BLT sandwiches.

Portobello mushroom cheesesteak sandwich vegan vegetarian simple and savory

You don’t have to be vegetarian or vegan to enjoy these sandwiches either!  The mushrooms have a meaty texture and they soak up the flavors of the foods they are cooked with.  You won’t even miss the meat.

portobello mushroom cheesteak vegetarian vegan

I add a splash of tamari sauce to the mushrooms while they are cooking which really brings out the umami flavor.  Pile the mushrooms onto your favorite roll, add sauteed peppers and onions and top with cashew cheese.

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Portobello mushroom cheesesteak sandwich vegan vegetarian simple and savory

Portobello Mushroom Cheesesteak Sandwich

A vegan version of a classic sandwich that’s meaty and full of flavor.

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Course: Dinner Recipes
Cuisine: American
Keyword: cheesesteak, mushroom, mushroom cheesesteak, portobello
Calories: 251kcal
Author: Anne


  • 2 tablespoons [olive oil]
  • 4 portobello mushroom caps cleaned and sliced thin
  • 1 teaspoon [tamari sauce]
  • 1 medium onion sliced thin
  • 1 green bell pepper sliced
  • 1 red bell pepper sliced
  • Cashew Cheese
  • 2 whole grain hoagie style rolls


  • Heat 1 tablespoon oil in a skillet over medium heat
  • Add mushrooms and cook until they begin to soften
  • Add the tamari sauce and reduce heat.  Cook for 3 minutes and remove from pan.
  • Add remaining oil to pan, once hot add the onions and peppers cook until softened and remove from heat.
  • Make the cashew cheese if using
  • Place 1/2 of mushroom mixture onto each roll, then the peppers and onions
  • Add cashew cheese or a slice of your favorite cheese.


Serving: 1sandwich | Calories: 251kcal | Carbohydrates: 31g | Protein: 13g | Fat: 10g | Saturated Fat: 4g | Polyunsaturated Fat: 5g | Cholesterol: 23mg | Sodium: 372mg | Fiber: 5g | Sugar: 10g

Nutrition information provided is an estimate and can vary based on cooking methods and ingredients used

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  1. I have developed a new-found love of portobello mushrooms. Not that I didn’t like them before, but I didn’t have them for a while, for some reason. I love the sound of this vegetarian twist on the classic sandwich – those mushrooms definitely give all the “meatiness” you would expect.

  2. What a great sandwich, Anne! I’ve been adding mushrooms to a lot of recipes to make the meat component go far farther, feed more, but I haven’t replaced it altogether. You’ve inspired me to try!

  3. Precisely! You don’t need to be vegetarian to just appreciate a mushroom sandwich! I agree with you. I’m not vegetarian but I eat everything, and if a meal does not have any meat in it it’s no big deal. Actually I wouldn’t even expect any meat in this one – you serve it to me as a mushroom sandwich and I take it as such. Mushrooms are so delicious it’s sad to think someone might be disappointed they’re not meat. Just enjoy the wonderful flavour and texture of mushrooms 😀 Definitely going to make these!

  4. We love portobello mushrooms and we always have a supply of them in our fridge. They DO taste steak-like and we’ve made sandwiches with them before. They are excellent and a great meatless dish. Just add the cheese of your choice, right?

  5. I love a good sandwich recipe and this one looks divine!! I love that this is meatless! Perfect for a healthy lunch! I need a good new sandwich recipe in my life! Thanks for posting this!

  6. I’m more and more into vegan food and I recently I give a try to cashew cheese. It’s really super tasty. More than I expected. Now I’m totally inspired to make this sandwich. It looks absolutely amazing and sounds just as tasty. Saving this recipe to try, definitely.