Air Fryer Portobello Mushrooms

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If you are looking for a vegetarian classic, you have to try air fryer portobello mushroom.

Slightly crispy on the outside and perfectly tender on the inside, these portobello mushrooms are irresistible – they have even made our very-own mushroom critic like mushrooms!

You can make these portobello mushrooms in the air fryer in minutes with just a simple spice blend – and use them as a side dish or in a portobello burger!

grilled portobello mushrooms on white plate with blue cloth behind
Air fryer portobello mushroom are really tasty!

Recipe Tips

Before you make portobello mushroom in the air fryer, read through these recipe tips so that you achieve the best results!

  • Make sure to gently clean the mushrooms with a damp towel before adding any oil or spices. We don’t recommend cleaning them unde (running) water unless they are very dirty since they soak up the water (which can change their flavor slightly).
  • You can change up the spices to suit your tastes. We went light on the hot spice but you can definitely add Cajun rub or cayenne pepper to the spice blend.
  • Your air fryer, the thickness of the mushrooms and your desired level of tenderness will dictate the total cooking time. You can always check on the fleshy inside with a fork as they cook.

We use this air fryer for our recipes and it has been great.

Step by Step Instructions

If you’re wondering how to make portobello mushrooms in the air fryer, you can follow our recipe process photos in this section.

That way, you know exactly how we make ours and can see what each step looks like!

For the cooking times and temperatures without visuals, you can skip down to the recipe card at the bottom of this post.

raw portobello mushrooms in glass baking dish on white counter
Place the cleaned portobello mushrooms into a baking dish.

First, clean the portobello mushrooms with a damp (paper) towel. Then place the portobello mushrooms onto a large plate or into a baking dish.

spice mix in bowl being stirred with silver spoon
Mix the oil and spices.

Add the oil, balsamic vinegar, salt, Italian seasoning, black pepper, and garlic powder to a small bowl and mix well.

portobello mushrooms in glass baking dish covered in spices on white counter
Add the spices to the mushrooms.

Brush both sides of the mushrooms with the spice dressing.

If your portobello mushrooms are very big, you might want to add some extra salt, pepper, or garlic powder to ensure good spice coverage.

raw portobello mushrooms in black air fryer tray on counter
Place the mushrooms into the air fryer.

Preheat the air fryer to 380 degrees Fahrenheit. Once it’s hot, add the mushrooms to the air fryer with the cap side down.

You can spoon any of the leftover dressing into them at this point.

Make sure that the portobello mushrooms fit into the air fryer in one layer without overlap. If you can’t fit them in all at once, cook them in two batches.

air fried portobello mushrooms in black air fryer tray
Cook the mushrooms until thender.

Cook the mushrooms for 6-7 minutes for medium-sized mushrooms, and 8-10 minutes for large portobello mushrooms.

Flip them over halfway through the cooking time. Since every air fryer is slightly different, your cook time can vary.

air fried Portobello mushrooms on white plate with chopped parsley around
Portobello mushroom in the air fryer – ready for eating!

When the portobello mushrooms are cooked to your liking, remove them from the air fryer and serve with dips of your choice, as a side dish or use them for a portobello burger.

Storage Tips

You can store leftovers of your air-fried portobello mushrooms in a sealed container in the fridge.

The mushrooms generally have a lot of moisture in them so don’t be surprised if they get moist/soft in the fridge. They’ll last like this for around 3 days but eat them sooner rather than later.

To reheat them, we’d recommend the air fryer again since it will help to dry out some of the excess moisture in the mushrooms. Otherwise, the microwave will work – but don’t expect them to be crispy again!

Related Recipes

Looking for more air fryer side dishes? Try out these tasty creations with your next meal!

air fried Portobello mushrooms on white plate with chopped parsley around

Air Fryer Portobello Mushrooms

Yield: 4
Prep Time: 4 minutes
Cook Time: 8 minutes
Additional Time: 3 minutes
Total Time: 15 minutes

Air Fryer Portobello Mushrooms are juicy and tender on the inside. Easy to make and flavorful with just a few simple spices, these versatile mushrooms make a great meat alternative!

Ingredients

  • 4 portobello mushrooms
  • 1 tablespoon avocado oil
  • 1/2 teaspoon balsamic vinegar (optional)
  • 1/2 teaspoon salt
  • 1/2 teaspoon Italian seasoning
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon garlic powder

Instructions

  1. Clean the portobello mushrooms with a damp (paper) towel. Then place the portobello mushrooms onto a large plate or into a baking dish.
  2. Add the oil, balsamic vinegar, salt, Italian seasoning, black pepper, and garlic powder to a small bowl and mix well.
  3. Brush both sides of the mushrooms with the spice dressing. If your portobello mushrooms are very big, you might want to add some extra salt, pepper, or garlic powder to ensure good spice coverage.
  4. Preheat the air fryer to 380 degrees Fahrenheit.
  5. Once it's hot, add the mushrooms to the air fryer with the cap side down. You can spoon any of the leftover dressing into them at this point. Make sure that the portobello mushrooms fit into the air fryer in one layer without overlap. If you can't fit them in all at once, cook them in two batches.
  6. Cook the mushrooms for 6-7 minutes for medium-sized mushrooms, and 8-10 minutes for large portobello mushrooms. Flip them over halfway through the cooking time. Since every air fryer is slightly different, your cook time can vary.
  7. When the portobello mushrooms are cooked to your liking, remove them from the air fryer and serve with dips of your choice, as a side dish or use them for a portobello burger.

Notes

  • The thickness of the mushrooms and how soft you want your mushrooms will definitely dictate the overall cooking time. Keep this in mind as you cook. Thicker mushrooms will take slightly longer to get soft right through.
Nutrition Information:
Yield: 4 Serving Size: 1
Amount Per Serving: Calories: 47Total Fat: 4gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 0mgSodium: 270mgCarbohydrates: 3gFiber: 1gSugar: 1gProtein: 2g

This nutritional information has been estimated by an online nutrition calculator. It should only be seen as a rough calculation and not a replacement for professional dietary advice. The exact values can vary depending on the specific ingredients used.

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