Onion Rings in the Air Fryer
Frozen onion rings are oily in the oven and often soft in the middle. Onion rings in air fryer baskets finish in about 10 minutes, with a golden, crunchy coating and a soft, sweet onion inside, and you do not need to add any oil. This page starts with the frozen bag and then covers homemade breaded rings if you want to make them from scratch.
- Temperature
- 200°C
- Total time
- 12min
- Prep
- 2min
- Servings
- 3
- Core temp
- 75°C
- Per serving
- 240kcal
Why the air fryer works for onion rings
Onion rings in air fryer baskets suit their coating. Frozen rings are already battered or breaded and pre-fried, so they do not need more oil. The hot air heats the crumb from every side, drives off moisture and leaves the outside crisp, while the onion inside steams in its own juices and turns soft and sweet.
The oven and the pan both have drawbacks: the oven often leaves the base soft, and a pan needs a lot of oil. Frozen onion rings air fryer style are done in around 10 minutes and the basket drains away any fat the coating releases. The same method works for homemade onion rings, which need a dry coating of flour, egg and crumbs rather than a wet batter. Wet batters drip through the basket and do not set.
How to make frozen onion rings in the air fryer
Tap a time to start a timer.
- Keep them frozen Take the rings straight from the freezer. Thawing makes the coating soggy and the batter can slide off.
- Preheat Heat the air fryer to 200 °C for . A hot basket helps set the crumb quickly.
- Arrange Spread the rings in a single layer with only a little overlap. If the basket is small, cook in two batches, because rings stacked on top of each other stay pale and soft.
- Cook and turn Cook for , turning the rings over after . They should be deep golden and crisp.
- Check Frozen onion rings are ready-to-heat products, so they must be steaming hot all the way through. The FSA advises 75 °C, so check one with a thermometer or break one open, and follow the packet if it gives a different time. Sprinkle with salt and serve at once.
Cooking times and temperatures
| Onion Rings | Temperature | Time |
|---|---|---|
| Frozen onion ringsTurn halfway | 200 °C | 8–10 min |
| Thick pub-style rings | 200 °C | 10–12 min |
| Homemade breaded ringsSpray with oil | 190 °C | 10–12 min |
| Blooming onionNeeds a large basket | 180 °C | 25–30 min |
| Crispy fried onions (topping)Burn quickly | 160 °C | 2–3 min |
| Reheating leftovers | 180 °C | 3–4 min |
Times are a guide and depend on the size of the food and the power of your air fryer. Cooked when the centre reaches 75 °C. See also cooking times and temperatures for all dishes.
You may also like: Frozen food in an air fryer
Tips
- Cook from frozen. The coating crisps best when it goes into the hot air hard and cold. Thawed rings go limp and may fall apart.
- Turn, do not stack. Turn the rings with tongs once, halfway. If the rings pile up, cook in two batches.
- Follow the packet for your brand. Coatings vary a lot, so use the time here as a guide and check the pack for any differences.
Serving
Serve onion rings with a hamburger, grilled sausages or chicken wings and a pot of ketchup, barbecue sauce or garlic mayonnaise. They also go well with chips for a pub-style meal. If you like onion dishes, try roasted onions or plain onions cooked in the same machine. Onion rings in air fryer batches are best eaten within minutes of cooking.
Storing and reheating
Cooked onion rings keep in a covered container in the fridge for 1 day, though they lose their crunch. Reheat in the air fryer at 180 °C for 3–4 minutes, until steaming hot all the way through. Do not refreeze rings that have been cooked. Uncooked homemade rings can be frozen on a tray and then bagged, ready to cook from frozen.
Homemade onion rings
For 4 servings, cut 2 large white onions into rings 1 cm thick and separate them. Put 60 g plain flour mixed with ½ tsp smoked paprika and ½ tsp salt in one bowl, 1 beaten egg with 2 tbsp milk in a second, and 80 g panko breadcrumbs in a third. Dip each ring in flour, then egg, then crumbs, pressing the crumbs on firmly.
Spray the rings lightly with oil and cook at 190 °C for 10–12 minutes, turning halfway, until deep golden. The onion should feel tender when you pierce it. A blooming onion needs a whole large onion cut into 12 petals, the same coating applied twice and a basket tall enough to hold it. Cook it at 180 °C for 25–30 minutes, and use a larger air fryer, since a standard 4-litre machine will not fit it. Crispy fried onions from a tub only need 2–3 minutes at 160 °C to freshen up, so watch them closely. Homemade rings are not dairy-free or vegan.
Troubleshooting
- The onion rings are soggy
- The basket was too full, or they were thawed. Cook from frozen in a single layer and leave a little space between the rings.
- The coating is dark but the onion is cold
- The heat was too high for the batch. Lower to 180 °C, add 2–3 minutes and check that the centre is hot.
- The coating falls off the homemade rings
- The onion was wet. Pat the rings dry, dip in flour first, then egg, then crumbs, and press the crumbs on firmly.
Frequently asked questions
How long do frozen onion rings take in an air fryer?
8–10 minutes at 200 °C, turned halfway, with no oil. Thick pub-style rings may need 10–12 minutes, and a smaller batch may be ready sooner.
Can you cook frozen onion rings in the air fryer without defrosting?
Yes. Always cook them from frozen. Thawing makes the coating soggy, and they cook faster and crisper straight from the freezer.
Can you make a blooming onion in the air fryer?
Yes, if the basket is large enough for a whole onion. Cut into petals, coat in seasoned flour, egg and crumbs, spray with oil and cook at 180 °C for 25–30 minutes.
How do you reheat onion rings in an air fryer?
Put them in at 180 °C for 3–4 minutes until steaming hot all the way through and crisp again.
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