Air Fryer Portobello Mushroom {Quick & Easy Recipe}

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This Air Fryer Portobello Mushroom recipe is a great low-carb alternative to steak. It offers savory and aromatic flavors with a texture that closely resembles that of your favorite beef cut.

Air fryer Portobello mushrooms with spinach salad

Whether you’re following a vegetarian or vegan diet or simply looking to incorporate more plant-based meals into your dinner rotation, this Air Fryer Portobello Mushroom recipe won’t disappoint.

Among all vegetables, mushrooms have the closest texture to meat. Moreover, other mushroom varieties can serve as excellent low-carb replacements, even for dishes like fried chicken.

Air fryer Portobello mushrooms recipe bite shot, with salad on the side.

I have a confession to make: I absolutely love mushrooms, so I might be a little biased.

But trust me when I say that this recipe is an absolute banger.

Depending on your side dish of choice, this Portobello mushroom recipe is great for vegans, vegetarians, or those following a keto-friendly/low-carb diet.

Ingredients: Air Fryer Portobello Mushrooms Recipe

Ingredients for Portobello mushrooms air fryer recipe

You can find the exact measurements of the recipe ingredients and customize the serving size in the recipe card after the detailed step-by-step instructions section.

You only need a few basic ingredients to make this delicious Air-Fried Portobello Mushroom dish. You might already have most of them sitting in your pantry.

  • Portobello mushrooms 
  • Olive oil
  • Garlic powder
  • Dried rosemary
  • Dried thyme
  • Salt
  • Black pepper

If you want to keep things simple, you can skip the dried thyme to make it taste like a classic steak.

Recipe Video

How to Air Fry Portobello Mushrooms?

Air frying Portobello mushrooms is one of the quickest methods to prepare this tasty vegetarian dish. After preparing the seasoning, it only takes 5-6 minutes to roast them to perfection.

Step 1: Prepare the Portobello mushroom caps.

Mushroom caps with gills

Using a slightly damp cloth or kitchen towel, remove any visible dirt from the mushroom. Then, gently remove the stem by applying pressure. If desired, you can also remove the gills from the mushroom cap.

You can cook the mushroom stems along with the mushroom cap or chop them into small pieces to make a stuffed version of this dish.

💡 Pro Tip: Avoid washing mushrooms with water as they tend to absorb moisture, which can affect their texture and flavor.

Step 2: Preheat the air fryer to 400°F (204°C).

Preating Instant Pot Vortex Plus Air Fryer to 400°F (204°C).

If your air fryer doesn’t have a preheating option, you can set the temperature to 400ºF (204ºC) and then let it cook for 5 minutes without food.

🚨 Important: Reduce the cooking temperature to 380°F (193°C) if you’re using a 4-quart air fryer or smaller. They are hotter due to the heating element being closer to the food.

Step 3: Prepare the basting sauce.

Basting sauce for air fryer roasted Portobello mushrooms

In a small bowl, mix together the seasonings: oil, garlic powder, rosemary, thyme, and black pepper. Ensure they are well combined. Then, have a pastry brush prepared for the next step.

Step 4: Air fry the Portobello mushrooms for 5-6 minutes.

Roasting Portobello mushrooms in air fryer

Air fry the Portobello mushrooms for 5-6 minutes.

Start by placing them in the air fryer with the cap side up, then brush them with the basting sauce and roast them for 3-4 minutes.

Brushing Portobello mushrooms (cap-side up) with seasonings.

Flip the mushrooms, baste the other side, and continue cooking for another three to four minutes.

Brushing Portobello mushrooms (cap-side down) with seasonings.

Roast the mushrooms until golden and tender.

I used a 6-quart air fryer to test this recipe. Cooking time and temperature may vary depending on your air fryer and the number of servings you are making. For optimal results, begin with the lower end of the suggested cooking time.

Step 5: Serve and enjoy your air fried Portobello mushrooms!

Air fried Portobello mushrooms with spinach salad

Now, that’s how to make roasted Portobello Mushrooms in the air fryer.

Allow it to rest for a few minutes and serve it with your choice of salad. If you’re following a vegan diet, skip the feta cheese like I did above. It’s for presentation purposes only.

All that’s left for you is to savor your well-deserved reward—a healthy, tasty, and filling meal that’s worthy to be on your go-to low-carb recipe list.

Freezing & Storage

Freezing: Once cooled, wrap the air-fried Portobello mushroom in plastic wrap and then store them in a freezer-safe container. It’s safe to eat for up to 3 months.

Fridge: Save any leftover air fryer roasted Portobello mushroom in the fridge. It will last for 3-4 days.

Reheating: To reheat, first preheat your air fryer to 360°F (182°C). Then cook your leftover Portobello mushrooms for 4-5 minutes. For Frozen ones, the ideal cooking time is 6-8 minutes.

Frequently Asked Questions

Yes, you can definitely air fry Portobello mushrooms. They turn out delicious and have a nice texture when cooked in an air fryer. Not to mention, it’s one of the fastest methods.

As a general guideline, air frying Portobello mushrooms will take 5-6 minutes to cook in the air fryer at the maximum temperature. However, please note that the cooking time may vary depending on the size of the Portobello mushrooms and the number of servings you’re making.

To cook Portobello mushrooms in an air fryer, first, clean the mushrooms by removing any visible dirt, and if desired, remove the stem and gills. Then, preheat your air fryer to 400°F (204°C). Meanwhile, prepare your basting sauce. Next, roast the Portobello mushrooms in the air fryer for 5-6 minutes, basting them twice and flipping them halfway through the cooking process. Continue cooking until they turn golden and tender.

The calorie content of a Portobello Mushroom can vary slightly depending on its size and weight. On average, a raw Portobello Mushroom (approximately 100 grams) contains about 22-26 calories.

prep time2 minutes
cooking time8 minutes
total cooking time10 minutes

Air Fryer Portobello Mushroom {Quick & Easy Recipe}

courseDinner
cuisineAmerican
This Air Fryer Portobello Mushroom recipe is a great low-carb alternative to steak. It offers savory and aromatic flavors with a texture that closely resembles that of your favorite beef cut. 🤩 Fry it, to believe it!
Air fryer Portobello mushrooms with spinach salad
5 from 1 vote
number of servings2

This ingredients checklist is interactive; you can use it as your grocery list.

Ingredients
 

  • 4 Portobello mushrooms
  • 1 tablespoon canola oil or olive oil
  • ½ teaspoon salt
  • ½ teaspoon garlic powder
  • ¼ teaspoon dried rosemary
  • ¼ teaspoon dried thyme
  • teaspoon black pepper

Instructions
 

  • Prepare the Portobello mushrooms by using a slightly damp cloth or kitchen towel to wipe away any visible dirt. Then, gently remove the stem by applying pressure to it. If desired, you can also remove the gills from the mushroom cap.
    Mushroom caps with gills
  • Preheat your air fryer to 400°F (204°C). If your air fryer has a capacity of 4 quarts or smaller, please see the note for more info.
    Preating Instant Pot Vortex Plus Air Fryer to 400°F (204°C).
  • In a small bowl, combine all the seasonings: oil, garlic powder, rosemary, thyme, and black pepper. Mix them together well. Then, have a pastry brush ready.
    Basting sauce for air fryer roasted Portobello mushrooms
  • Air fry the Portobello mushrooms for 5-6 minutes. Start by placing them in the air fryer with the cap side down, then brush them with the basting sauce and cook for 3 minutes. Flip the mushrooms, baste the other side, and continue cooking for another 3 minutes. Roast the mushrooms until golden and tender.
    Roasting Portobello mushrooms in air fryer
  • Let your air fryer Portobello mushrooms rest for a few minutes before serving. Enjoy!
    Air fried Portobello mushrooms with spinach salad

Recipe Video

Notes

  • For smaller air fryers (4-quart and below), reduce the cooking temperature to 380°F (193°C). They generate more heat because of the heating element’s proximity to the food.
  • If your air fryer doesn’t have a preheating option, you can set the temperature to 400°F (204°C) and then let it cook for 4-5 minutes without food. For faster cooking time and accuracy, preheating is highly recommended.
  • Avoid washing the mushrooms with water, as mushrooms tend to absorb moisture.
  • The gills of the mushrooms create a dark stain when cooked. If you wish, you can remove them by scraping them with a spoon.
  • I used a 6-quart Instant Pot Vortex Plus to test the Air Fryer Portobello Mushroom Recipe. Cooking time and temperature may vary depending on your air fryer and the number of servings you are making. For optimal results, begin with the lower end of the suggested cooking time.

Nutrition

Calories: 102kcal | Carbohydrates: 7g | Protein: 4g | Fat: 8g | Saturated Fat: 1g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Trans Fat: 0.03g | Sodium: 597mg | Potassium: 623mg | Fiber: 2g | Sugar: 4g | Vitamin A: 6IU | Vitamin C: 0.1mg | Calcium: 9mg | Iron: 1mg
Keywords: air fryer portobello mushroom, portobello mushroom in air fryer

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