🧅 Air Fryer Roasted Onions (12 min): time & weights
Want ultra-soft roasted onions in 12 minutes flat? With the Air Fryer, it's possible! 🔥 No more waiting forever in front of the oven or frying pan: you get golden, caramelized onions, perfect for all your recipes (burgers, bowls, tacos, pies, salads... 🥗).
Discover here the ideal time for each weight, tips to prevent them from drying out and how to vary according to the cut or variety (Roscoff, yellow, etc.). The key: zero hassle, zero waste and maximum taste! 😍
Air Fryer times & weights (reference table)
| Type / Cut | Recommended weight | Temperature | Time | Oil | Trick |
|---|---|---|---|---|---|
| Thinly sliced | 150–250 g | 180°C | 12 min | 1 tbsp. | Stir halfway through cooking |
| Quarters (large pieces) | 200–300 g | 180°C | 13–15 min | 2 tbsp. | Turn over halfway through cooking |
| Whole spring onions | 150 g | 170°C | 14–16 min | 1 tbsp. | Prick, oil, shake the basket |
| Whole Roscoff onions | 200 g | 170°C | 15–18 min | 2 tbsp. | Discover Roscoff |
| Sliced red onions | 120–200 g | 180°C | 11–13 min | 1 tbsp. | Add a little vinegar |
How to Make Perfect Roasted Onions in the Air Fryer
- Prepare : Peel your onions, cut them according to use (sliced, quartered, whole). For the Roscoff variety 🟣, keep the skin on for extra tenderness.
- Season : Drizzle with olive oil, salt, and pepper. You can add thyme, rosemary, or spices (curry, smoked paprika 🔥).
- Arrange : Place in a single layer in the Air Fryer basket. For large quantities, separate into batches.
- Cooking : Cook at 180°C for sliced/quartered onions, 170°C for whole pearl onions. Time depends on weight (see table). Stir halfway through cooking for even browning.
- Finishing : For a caramelized effect 🧄, add a pinch of sugar or a few drops of balsamic vinegar 2 minutes before the end. Let cool, then serve in your favorite dishes!
FAQ — Air Fryer Roasted Onions
Why are my Air Fryer onions sometimes dry?
Two main reasons: too little oil or overcooking. Make sure to stir well halfway through cooking, and don't hesitate to add a drizzle of oil after cooking if necessary. For sliced onions, watch the coloring 🕒.
Can you roast without oil?
It's possible, but the result will be less melting and drier. A few drops of oil are enough to reveal the softness and natural sweetness. For a lighter version, spray the oil 🫧.
How to prevent onions from sticking in the basket?
Mix halfway through cooking, avoid layers that are too thick, and if necessary line the base with baking paper.
Which variety of onions should I choose?
Yellow, red, sweet or Roscoff : they all work! Roscoff onions are particularly tasty, melting and slightly sweet, ideal for this cooking 🧅.
Any ideas for enhancing roasted onions?
Add them to burgers, pies, quiches, potato salads, or on pizza. You can also blend them into a compote or serve them as quick pickles 🥒.
Which Air Fryer Should I Use for Even Cooking?
A model with a wide basket and a blender is ideal. Check out our Air Fryer 2025 comparison to help you choose the right appliance!
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