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Garlic Butter Air Fryer Mushrooms
Perfectly roasted mushrooms with garlic butter and herbs — a 10-minute side dish or appetizer.

Total Time
13 min
Difficulty
Easy
Servings
4
Calories
95 cal
Why This Works
Mushrooms release a lot of moisture when cooked. The air fryer's rapid heat evaporates this moisture quickly, allowing the mushrooms to brown and caramelize rather than steam. This creates a deeply savory, umami-rich result.
My Recipe Testing Notes
Mushrooms have very high water content, which means they need high heat and space to roast rather than steam. I tested cremini, portobello, and shiitake — cremini mushrooms are the best all-around choice for air frying. At 400°F for 10 minutes, they get beautifully golden and slightly caramelized. The key is not washing them (use a damp cloth instead) and not overcrowding the basket.
Ingredients
Cleaned with a damp cloth, stems trimmed
For garnish
Instructions
Clean mushrooms with a damp cloth. Leave small ones whole; halve larger ones.
Toss with melted butter, olive oil, garlic, thyme, salt, and pepper.
Place in air fryer basket in a single layer — don't overcrowd.
Air fry at 400°F for 10-12 minutes, shaking once halfway through.
Mushrooms are done when golden-brown and slightly caramelized. Garnish with fresh parsley.
Frequently Asked Questions
Should I wash mushrooms before air frying?
No — washing adds moisture that prevents browning. Use a damp cloth or paper towel to wipe them clean instead.
Why are my air fryer mushrooms rubbery?
Overcrowding is the main cause — mushrooms release moisture as they cook, and if they're piled on top of each other, they steam instead of roast. Cook in a single layer.
What type of mushrooms work best?
Cremini (baby bella) mushrooms are the best all-around choice. Portobello caps work well too. Shiitake and oyster mushrooms are excellent but cook faster (8-9 minutes).
Written by Sarah Jenkins
Former restaurant line cook turned home kitchen obsessive. I've tested over 200 air fryer recipes and I share exactly what works, what doesn't, and the temperatures that make the difference.
Read more about Sarah →

