Air Fryer Portobello Mushroom Recipe

Name: Air Fryer Portobello Mushroom Caps
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Ingredients: 2 tablespoons olive oil; 2 tablespoons balsamic vinegar; 1 teaspoon Italian seasoning; 1/2 teaspoon garlic; 2 portobello mushroom caps (6 to 8 ounces)

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Tender and juicy portobello mushrooms are simply seasoned and easy to make and so versatile!

It takes just minutes to make this air fryer portobello mushroom recipe. Tender and juicy portobello mushrooms are simply seasoned in a flavorful combination of balsamic vinegar, oil and seasonings then cooked to perfection in the air fryer.

A close up picture of sliced air fryer portobello mushrooms on a platter with arugula

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These mushrooms are sure to please everyone, even those who don’t typically like mushrooms. They are juicy with a hearty texture and delicious flavor, all thanks to balsamic marinade. These are perfect if you are cutting back on meat or simply want to add more vegetables to your meals.

Why you will love this recipe

Mushrooms are a blank slate taking on the flavors they are cooked with; you can flavor them in many different ways.
It’s a versatile recipe and perfect for meal prep.
It’s an easy recipe to make with just a few simple ingredients.

a picture of air fryer mushroom ingredients portobello, balsamic vinegar, olive oil, Italian seasonings

Here is what you will need

This is a brief summary of the ingredients needed to make this recipe and a convenient shopping list from my Instacart affiliate link. For a printable recipe card with exact measurements and detailed instructions, scroll down to the recipe card section.

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Ingredients

Fresh Portobello Mushroom Caps (medium to large size)
Balsamic Vinegar
Italian seasoning or dried oregano and basil
Garlic Powder
Olive Oil

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How to make air fryer portobello mushrooms

Prepare: Wipe the mushrooms clean with a damp cloth or paper towel; remove the stem of the mushroom by gently twisting and pulling it off.

Mix the balsamic vinegar, olive oil, and seasonings in a small bowl. Preheat the air fryer to 375 degrees f.

process step one, brushing oil mixture onto mushrooms

STEP 1: Use a pastry brush to brush the marinade mixture on all sides of the mushrooms.

second step of process uncooked portobello mushroom on an air fryer basket

STEP 2: Place the mushrooms in a single layer in the air fryer basket or tray.

Last step of process cooked portobello mushrooms on an air fryer basket

STEP 3: Place the tray or basket into the air fryer and air fry until they are tender; about 8 to 10 minutes.

NOTE: Cook time can vary depending on the type of air fryer you have as well as the thickness of the mushrooms. Once the mushrooms begin to turn dark brown on the outside they are done.

Here’s what you will need to make this recipe

Air Fryer Oven

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Pastry Brush

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Serving suggestions

Air fryer mushrooms are so versatile! You can serve them as a portobello burger on your favorite bread or roll with lettuce, onion, and tomato as a main course.

Slice air-fried portobellos and add them to a salad, pasta, or bowl.

overhead view of sliced mushrooms on a plate

Recipe Variations

These delicious portobello mushrooms are a blank slate when it comes to flavors. This recipe uses a simple balsamic marinade, but you can add any combination of spices. Here are some suggestions:

Spicy – Add 1 teaspoon of hot pepper flakes or 1/4 teaspoon of cayenne pepper to the marinade.
Citrus – Instead of vinegar use a tablespoon of lemon juice, lime juice or orange juice.
Change up the vinegar – Replace balsamic vinegar with red wine vinegar, white wine vinegar or apple cider vinegar.
Change up the herbs – Use any combination of dried or fresh herbs to make these mushrooms such as rosemary, sage, thyme, cilantro, parsley, or dill.
Change up the sauce – Replace vinegar with a savory sauce like soy sauce or Worcestershire sauce for steakhouse style mushrooms.

How to store and use leftovers

These mushrooms are easy to store and great to have as leftovers. Store them in an airtight container in the refrigerator for up to three days.

Enjoy the mushrooms leftover cold, at room temperature or reheat them in the air fryer. Leftover mushrooms taste great in sandwiches, salads, or wraps

sliced air fried mushroom on a platter with a fork

Tips

Don’t rinse the mushrooms in water to clean them unless they are extremely dirty. The water will add excess moisture to the mushrooms, and they won’t cook well.
Don’t crowd the mushrooms in the air fryer. Leave enough space around the mushrooms for the air to circulate for the best results.
Save stems of portobello mushrooms to saute and add to burgers, soups, pasta and sauces.

Questions

Do I need to remove the gills on the underside of the mushroom cap before cooking it?

No, it is not necessary to remove the gills of a portobello mushroom unless you want to. They are edible and add an earthy flavor to the mushrooms.

Can you make this recipe with pre-sliced portobello mushrooms?

Yes, you can. Cooking time will need to be reduced to 5 to 8 minutes.

Can I make this recipe in the oven if I don’t have an air fryer?

Yes. Follow the instructions in the recipe card to prepare the mushrooms. Once they are prepared arrange them on a parchment-lined baking sheet and place it into a preheated 400-degree oven. Cook for about 8 minutes and flip over; bake for 3 to 5 minutes longer. If you have a cooling rack, place the prepared mushrooms on it and onto the baking sheet which will help with even circulation.