Air Fryer Portobello Mushrooms
Ready in about 20 minutes.
Published by the RecipeAirFryer editorial team · How we source times · Updated
Times and temperatures come from our reviewed cooking database. Explanatory text on each page is generated from that entry so the numbers stay consistent.
Meaty portobello caps marinated in garlic and balsamic, then air fried until juicy and deeply savoury. The air fryer concentrates their flavour and drives off excess water, giving a robust burger filling or steak-style plate.
Written for 4. Cook in batches rather than stacking if you scale up.
Ingredients
- 4 large portobello mushrooms
- 2 tbsp olive oil
- 2 tbsp balsamic vinegar
- 1 tbsp soy sauce
- 2 cloves garlic, minced
- 1 tsp dried thyme
- Black pepper
- Fresh parsley, to serve
Method
- 1Wipe the mushrooms and remove the stems.
- 2Whisk oil, balsamic, soy, garlic and thyme, then brush over the caps.
- 3Let them marinate for 10 minutes, gill-side up.
- 4Preheat the air fryer to 190°C (375°F).
- 5Air fry for 8-11 minutes, flipping halfway, until tender and juicy.
- 6Scatter with parsley and serve whole or sliced.
Tips for the best results
- Cook gill-side up at the end to hold the savoury juices.
- Do not wash the caps under water; wipe them to avoid sogginess.
- Pop them in burger buns for an instant portobello burger.
Common mistakes to avoid
- Crowding the basket so air fryer portobello mushrooms steams instead of browning.
- Skipping the flip halfway, which leaves one side pale.
Frequently Asked Questions
What temperature and time for air fryer portobello mushrooms?
A typical starting point is 190°C / 375°F for 8-11 min, flip halfway. Thickness and wattage change the finish, so check early.
Can I make air fryer portobello mushrooms ahead?
Cook it, cool it quickly, and refrigerate. Reheat in the air fryer at a slightly lower temperature so the outside does not dry before the middle is hot.
How many people does air fryer portobello mushrooms serve?
This recipe is written for 4. For a fuller basket, cook in batches rather than stacking, or add a couple of minutes and shake more often.
Can I stuff them?
Yes, fill the caps after a short pre-cook, then air fry a few more minutes to melt the topping.