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These simple Philly Cheesesteak Stuffed Mushrooms are full of seared prime sirloin, provolone, peppers, onions and a killer sauce. You gained’t miss the bread in any respect with this low-carb and guilt-free dinner!

In the event you’re a stuffed mushroom lover like me you then positively have to make my Mini Portobello Margherita Pizzas or my Fast Crab Stuffed Mushrooms.

stuffed mushroom on a plate with peppers and melted cheese

Simple Low Carb Stuffed Mushrooms

All of us have these moments once we crave a giant, crunchy-yet-soft, filling-filled, flavorful sandwich. And more often than not, my go-to sandwich like that could be a Philly cheesesteak sandwich.

Sure, generally I am going out and order that pleasing sandwich, and different occasions, I simply work out how one can make a more healthy model at dwelling! And identical to that, right here comes my Philly Cheesesteak Stuffed Portobello Mushrooms!

They fulfill all my cravings on prime of being so easy to make and wholesome. These stuffed mushrooms solely take a few half hour to make. And my entire household loves them! It’s positively a enjoyable method to combine up dinner once you’re in a rut.

For these stuffed mushrooms I take a prime sirloin and cook dinner it in a skillet to be about medium uncommon. Then the sliced steak is tossed with peppers, onions, and a creamy horseradish sauce. That unimaginable filling goes into portobello mushroom caps and is topped with provolone cheese. They’re baked they usually come out completely cooked and able to eat!

stuffed mushroom on a sheet tray with peppers, melted cheese, and herbs

What You’ll Want

The ingredient record is fairly easy. You simply have to run out to seize just a few issues on the retailer and you then’re good to go! Keep in mind, the precise quantities for every part are down under within the recipe card.

  • Portobello Mushrooms: The bigger caps are higher for this recipe. Alternatively, you may minimize the meat up into small items and use smaller mushrooms, too.
  • Prime Sirloin: That is the minimize that I like to make use of for this recipe. However you should utilize no matter steak you want! You possibly can even use floor beef if that’s all that you’ve got.
  • Peppers: I used inexperienced and pink bell peppers however you might additionally use orange or yellow ones, too.
  • Onion: Candy onions work nice for this recipe.
  • Bitter Cream: You possibly can additionally use plain Greek yogurt as a more healthy possibility.
  • Mayonnaise: Use any kind of mayonnaise you want for this half.
  • Ready Horseradish: Roughly can be utilized relying on how a lot you just like the spiciness of horseradish.
  • Garlic Powder: Granulated garlic or garlic salt is also used.
  • Black Pepper
  • Provolone Cheese: That is the kind of cheese that’s usually used for a Philly cheesesteak, however you might additionally use cheddar or swiss.
  • Parsley: That is for garnish, so in the event you don’t have any – that’s okay! You possibly can additionally use one other recent herb like chives or sliced inexperienced onions would even be scrumptious.
stuffed mushroom on a sheet tray with peppers, melted cheese, and herbs

What Are The Finest Mushrooms for Stuffed Mushrooms?

I actually love utilizing portobello mushrooms for this recipe as a result of they’re massive and could be full of numerous meat and veggie filling. This makes them a terrific possibility not for only a snack or appetizer, however they’re large enough to serve for dinner.

That doesn’t imply which you can’t use smaller mushrooms although! Child Bella or button mushrooms can even work, however you’ll have to cut the meat and greens into smaller items so that they match into the cap.

philly cheesesteak stuffed mushrooms on a sheet tray garnished with fresh herbs

The right way to Make Philly Cheesesteak Stuffed Mushrooms

Right here’s how one can make this straightforward and low-carb recipe.

First, put together the mushrooms. You’ll have to take away the stems and take out the gills from the mushroom cap. You are able to do this with the sting of a spoon. Then lay them flat on a sheet tray and spray them calmly with cooking oil. You may as well season them with a sprinkle of salt in the event you’d like.

a cooked steak on a plate

Subsequent, cook dinner the steak. You are able to do this in a scorching skillet and even on the grill. At all times enable the meat to relaxation earlier than slicing.

Prepare dinner the peppers and onion whereas the meat is resting. You are able to do this proper in the identical pan. Prepare dinner them till they’re gentle and slightly translucent.

Slice the steak after which add them to a bowl with the filling substances. Add the sliced steak, cooked greens, mayonnaise, bitter cream, garlic powder, horseradish, black pepper, and cheese.

Create the filling. Coat the steak and greens with the creamy sauce.

Stuff the portobello caps with the filling. Then bake for about 20 minutes or till the mushrooms are tender. When they’re completed, you may serve them instantly and garnish them with recent parsley.

philly cheesesteak stuffed mushrooms on a sheet tray garnished with fresh herbs

Ideas for Success

Listed below are some methods and suggestions I discovered whereas making these Philly Cheesesteak Stuffed Mushrooms.

  • Don’t overcook the steak. You need the steak to be nearly medium uncommon once you first cook dinner it. In the event you overcook it at first, it is going to be robust and never as flavorful.
  • You may make the filling forward of time. If you wish to save much more time, you may make the filling and preserve it within the fridge till you’re able to bake the mushrooms.
  • No horseradish? No drawback! You possibly can merely omit the horseradish in the event you don’t have any. Or you may add slightly little bit of spicy mustard or perhaps a tiny little bit of wasabi paste for that added kick!
philly cheesesteak stuffed mushrooms on a sheet tray garnished with fresh herbs

What to Serve with Portobello Stuffed Mushrooms

These stuffed mushrooms are a terrific snack or meal possibility. Listed below are a few of my favourite recipes to serve alongside them!

  • Make a dipping sauce. You possibly can dip or drizzle your favourite sauce over these mushrooms for added taste and creaminess. Is it any shock that I’m going to counsel my Growth Growth Sauce?! You possibly can additionally combine slightly additional of the mayo, bitter cream, dijon mustard or horseradish for a simple sauce.
  • Wholesome fries on the aspect. Hold the theme going of “wholesome takeout” and whip up a few of my favourite good-for-you french fries. My Air Fryer Candy Potato Fries and Crispy Zucchini Fries are two nice choices.
  • Low-carb aspect choices. Parmesan Roasted Cauliflower, Simple Spaghetti Squash, and/or Easy Garlic Spinach are a few of my different favourite low-carb recipes to go along with this recipe.

The right way to Retailer & Reheat Leftovers

I like to recommend consuming these Philly Cheesesteak Stuffed Mushrooms straight away for the very best taste and texture. In the event you do have leftovers, you may retailer them within the fridge for 1-2 days. To reheat, I counsel placing them again within the oven for a couple of minutes. Or you might use the air fryer, too!


stuffed mushroom on a plate with peppers and melted cheese

Philly Cheesesteak Stuffed Portobello Mushrooms


Simple Low Carb Philly Cheesesteak Stuffed Mushrooms stuffed with tender steak, sautéed greens and gooey cheese.



  • 6 massive portobello mushrooms, stem and gills eliminated

Philly Cheesesteak Filling:

  • 8 oz. prime sirloin steak, if greater than an 1″ thick thinly slice in half
  • salt & pepper to season
  • 1 inexperienced pepper, diced
  • 1 cup diced candy onion
  • 1 pink pepper, julienned
  • 1/4 cup bitter cream
  • 2 tablespoons mayonnaise
  • 1 tablespoon ready horseradish
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon floor black pepper
  • 4 oz. shredded provolone cheese
  • parsley for garnish


  1. Preheat oven to 400°F.
  2. Take away stems and gills from every portobello mushroom. Place on a baking sheet. Spray either side of the mushroom with oil (or cooking spray) and season with salt. Put aside.
  3. Season either side of the highest sirloin with salt and pepper.
  4. Warmth a big skillet to excessive warmth.
  5. Spray with cooking spray and place the highest sirloin within the pan. Sear either side of the steak, about 2-3 minutes per aspect.
  6. Take away steak from pan and let relaxation. Instantly spray pan with cooking spray once more and add peppers and onions to the pan. Saute for 2-3 minutes, till the greens are tender and onions are considerably translucent.
  7. Add greens to a big bowl.
  8. Thinly slice the highest sirloin and add to the bowl with the sautéed greens. Subsequent, to that very same bowl add, bitter cream, mayonnaise, ready horseradish, garlic powder, floor black pepper and provolone cheese. Utilizing a spoon, stir to mix all of the substances.
  9. Stuff every portobello mushroom with the steak combination.
  10. Bake for 20 minutes or till the mushrooms are tender.
  11. Garnish with chopped parsley and serve!


  • Serving Measurement: 1 stuffed mushroom
  • Energy: 220
  • Sugar: 5 g
  • Sodium: 252 mg
  • Fats: 13 g
  • Saturated Fats: 6 g
  • Carbohydrates: 9 g
  • Fiber: 2 g
  • Protein: 16 g
  • Ldl cholesterol: 47 mg

Key phrases: low carb stuffed mushrooms, portobello stuffed mushrooms, simple stuffed mushrooms

Extra Simple Low-Carb Dishes





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