This Air Fryer Blooming Onion tastes so flavourful and is healthier than the deep-fried version from Outback. Air fried until golden and crispy this easy baked appetizer recipe will be a hit at game days and parties.
Making a Blooming Onion at home is a bit messy but well worth the effort. My Air Fryer Bloomin Onion has crispy golden petals and tastes so
The Air Fryer saves you a lot of calories compared to deep frying and food will taste crunchier and better than baked in the oven. The famous Bloomin Onion from the popular Steakhouse Chain is made in the deep fryer and contains approximately 1954 calories and 134 grams of fat, making it in the Air Fryer brings the calories down to 840 calories and 36 grams of fat.
How to make a Blooming Onion
- Cut onion. Put in ice water (optional)
- Mix flour and spices in a bowl.
- Combine buttermilk and egg in a bowl.
- Add half of the flour mixture to the buttermilk mixture.
- Combine panko breadcrumbs and spices in another bowl.
- Fully coat onion with flour mixture. Shake off excess flour.
- Pour batter over onion with a spoon until evenly coated between the petals.
- Place onion in panko breadcrumbs and fully coat with the mixture. Shake off excess.
- Place in Air Fryer and fry until cooked through and golden.
Tips for Making an Onion Bloom in an Air Fryer
- Use a sweet onion, a normal onion will taste too strong.
- The onion should have room temperature so it cooks more evenly.
- Make as many cuts as possible, the smaller the petals the better it will cook through.
- Put the cut onion in a bowl with ice water for a few minutes, it will blossom out even more!
- If you don’t have buttermilk, you can easily make your own by adding 1 Tbsp of vinegar or lemon/lime juice to a ½ cup of milk and letting it sit for a few minutes
- Panko breadcrumbs yield the best results because they are crispier than normal breadcrumbs
- If you don’t have panko breadcrumbs you can also use normal breadcrumbs
- Shake off excess batter, flour, and panko breadcrumb mixture
- Preheat your Air Fryer if it needs to be preheated. My Philips Air Fryer doesn’t need to be preheated
- Different models of Air Fryers work differently so keep an eye on the onion and adjust cooking time as needed
- Depending on your Air Fryer the tips of the petals might get a bit burned, covering the onion with aluminum foil for the first 20 minutes helps
- When the time is
uptest if the petals are cooked to your liking. If they aren’t then cookthe onion for a few more minutes.
What kind of Onion is best for a Blooming Onion?
Sweet onions are best for making a Blooming Onion because they are not pungent and taste mild and sweet. There are multiple varieties and the level of sweetness varies but all sweet onions are great for eating raw or as an appetizer. Here are a few examples:
- Walla Walla
- Imperial Valley Sweets
- The Carzalia Sweet onion
- The Sunbrero
If you don’t have a sweet onion on hand you can use a yellow onion. These are generally a bit sweet but will taste stronger. A red onion might also work because they are milder than yellow onions.
How to cut an Onion for a blooming Onion
Cut off the tip of the onion and peel it. Flip it cut side down on a cutting board and start slicing ¼ inch away from the root. The root should stay attached. Make as many cuts as possible, start with 4 quarter slices and then slice each quarter 3 to 4 times to get similarly sized petals.
How many cuts you can make depends on the size of the onion. Flip the onion back over and carefully spread out the petals. A great way to make them spread out more is to put the sliced onion in ice water for a few minutes.
Blooming Onion Sauce
Mix together ½ cup mayonnaise, 2 tablespoons ketchup, 2 tablespoons creamed horseradish, and ¼ teaspoon paprika.
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Air Fryer Blooming Onion
- 1 large sweet onion, room temperature
- ½ cup all-purpose flour
- 1 tsp paprika
- 1 tsp salt, divided
- ½ cup buttermilk, see tips above for making your own
- 1 egg
- ¾ cup panko breadcrumbs
- 2 Tbsp olive oil
- Oil Spray, optional
- Cut off the tip of the onion and peel it. Flip it cut side down on a cutting board and start slicing ¼ inch away from the root. The root should stay attached. Make as many cuts as possible, start with 4 quarter slices and then slice each quarter 3 to 4 times to get similarly sized petals. Set aside.
- In a shallow bowl, combine flour, paprika, and ½ tsp salt.
- In another shallow bowl combine buttermilk (or milk and vinegar/lemon juice) and the egg, then add ¼ cup of the flour mixture from the first bowl and whisk until smooth.
- In a third bowl combine panko breadcrumbs, remaining salt, and olive oil with a fork until the oil is evenly distributed.
- Dredge the onion in the flour mixture and make sure it is coated evenly between the petals. Sifting the flour over the onion helps. Shake off excess flour.
- Dip the onion in the buttermilk batter and use a spoon or your fingers to coat it evenly.
- Place onion in the panko mixture and use your hands or a spoon to get the mixture between the petals.
- Place onion in the Air Fryer basket, spray it with oil spray and cover the top with aluminum foil. The air should still be able to circulate around the onion.
- Cook at 375°F for 15-20 minutes then remove the foil and air fry until golden brown and crispy, about 3-7 more minutes. Carefully remove onion and serve with dipping sauce.
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