Air Fryer Mushrooms and Onions

Prep
5 min
Cook
12 min
Total
17 min
Serves
2
Savory, golden air fryer mushrooms and onions — the perfect steakhouse-style side or burger topping, made in minutes with almost no oil. The air fryer concentrates their flavor and gives them deep, caramelized edges.
Pile them on steak, burgers, toast or eggs, or stir them into pasta. Simple, savory and endlessly useful.
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Ingredients
Instructions
Season
Toss the sliced mushrooms and onion with the oil, salt and pepper.
Air fry
Air fry at 375°F for about 10–12 minutes, shaking a couple of times, until softened and caramelized at the edges.
100
Calories
3g
Protein
9g
Carbs
7g
Fat
Tips for the best results
- Don't overcrowd — a single layer caramelizes instead of steaming.
- A knob of butter at the end adds richness.
- Add a splash of balsamic or a pinch of thyme for depth.
Frequently asked
How long do mushrooms take in the air fryer?
About 10–12 minutes at 375°F, shaking a few times, until golden and tender.
Why are my mushrooms watery?
They released moisture in a crowded basket. Cook in a single layer and shake so it evaporates.
What do I serve them with?
Steak, burgers, eggs, toast, or stirred into pasta or rice.

