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Air Fryer Caprese Stuffed Portobello Mushrooms

Author

mary licon
April 09, 2025

These Air Fryer Caprese Stuffed Portobello Mushrooms are a fresh, flavorful bite of Italian-inspired goodness! Juicy cherry tomatoes, fragrant basil, minced garlic, and melty mozzarella come together in hearty portobello caps for a quick, low-carb vegetarian dinner—or a crowd-pleasing party appetizer.

Why You’ll Love These Caprese Stuffed Mushrooms

Need a fast, healthy meal idea? These air-fried stuffed portobellos are everything you want—simple, satisfying, and bursting with garden-fresh flavor.

For this recipe, I went with large portobello mushrooms for that perfect “stuffable” size. But feel free to use any variety that’s around 2 inches wide or more—anything smaller will be tough to fill properly.

🍄 Entertaining tip: If you're making these as bite-sized appetizers, mini portobello mushrooms (also called cremini or baby bellas) work wonderfully!

Ingredients for Air Fryer Caprese Stuffed Portobello Mushrooms

These simple yet flavorful ingredients bring that classic Caprese charm to juicy mushroom caps. (Full measurements are listed in the recipe card below.)

  • Garlic – Finely diced for rich, savory depth.

  • Extra-virgin olive oil – Adds smooth flavor and helps everything crisp up beautifully.

  • Salt – Just a pinch to enhance all the fresh flavors.

  • Portobello mushroom caps – Stems removed; their meaty texture makes the perfect base.

  • Low-moisture mozzarella – I love using fresh sliced mozzarella, but shredded mozzarella, provolone, or your favorite cheese blend will also work.

  • Cherry tomatoes – Sweet and juicy! Feel free to sub in vine-ripened or beefsteak tomatoes if that’s what you have on hand.

  • Fresh basil leaves – For that signature Caprese freshness.

  • Balsamic glaze – A sweet, tangy finish for serving. Optional, but highly recommended!

Equipment You’ll Need

To make these Caprese Stuffed Mushrooms in the air fryer, you’ll need just a few kitchen tools:

  • Air fryer – The star of the show!

  • Pastry or basting brush – For brushing the garlic-oil mixture on the mushrooms.

  • Cooking tongs – To safely flip and remove the hot mushrooms.

How to Make Caprese Stuffed Portobello Mushrooms in the Air Fryer

Making these is as simple as it gets—here’s how to do it:

  1. Mix the marinade:
    In a small bowl, whisk together the diced garlic, extra-virgin olive oil, and salt.

  2. Prep the mushrooms:
    Using a basting brush, coat the mushroom caps (gill side up) with the garlic-oil mixture.

  3. Air fry the mushrooms:
    Lightly spray your air fryer basket with cooking spray. Arrange the mushroom caps gill-side up in the basket.
    Air fry at 400°F (200°C) for 10 minutes, or until they’re tender, browned, and juicy.

  4. Stuff the mushrooms:
    Using cooking tongs, carefully take the mushroom caps out of the basket. Fill each one with slices of mozzarella and halved cherry tomatoes.

  5. Final cook:
    Return the filled mushrooms to the air fryer. Cook at 400°F for another 2–3 minutes, until the cheese is melted and the tomatoes are slightly softened.

  6. Finish and serve:
    Transfer the stuffed mushrooms to a plate and drizzle each with about ½ teaspoon of balsamic glaze.
    Serve warm and enjoy!

Tips & FAQs for Perfect Caprese Stuffed Mushrooms

🍄 How Do I Keep Mushrooms from Getting Soggy?

The secret is to use low-moisture mozzarella cheese. Cheese with high water content can release moisture into the mushrooms, making them soggy. Stick to firmer cheese or pat down anything that feels too wet before using.

🧽 Should I Wash Mushrooms Before Cooking?

It’s best not to rinse mushrooms under water, as they’re like little sponges and absorb moisture quickly. Instead, gently wipe them clean with a damp paper towel to remove any dirt without soaking them.

🧊 How to Store Leftover Stuffed Mushrooms

These mushrooms are best fresh from the air fryer, but leftovers can be stored!
Place them in an airtight container and keep in the refrigerator for up to 3 days.
To reheat, pop them back into the air fryer for a few minutes until the cheese is warm and melty again.