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Air Fryer Crispy Onions – Best Gluten-Free Crunchy Topping

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These air fryer crispy onions are a healthier, gluten-free alternative to classic fried onion toppings. Perfectly crunchy and easy to make, they’re ideal for casseroles, salads, burgers, and more.

Ingredients

Scale
  • 2 large or 3 medium yellow onions (about 1 lb), thinly sliced
  • 1/2 cup rice flour
  • 2 tablespoons cornstarch
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder (optional)
  • Nonstick cooking spray or 1-2 teaspoons neutral oil (such as avocado or grapeseed)
  • Optional: 1/4 teaspoon smoked paprika
  • Optional: 1/4 teaspoon chili powder
  • Optional: 1/2 teaspoon dried herbs (thyme or rosemary)

Instructions

  1. Peel and trim the ends off the onions. Slice into thin rings, about 1/8 inch thick, using a mandoline or sharp knife.
  2. Optional: Soak onion slices in cold water for 10 minutes to mellow flavor and improve texture. Drain and pat dry thoroughly.
  3. In a large mixing bowl, combine rice flour, cornstarch, salt, black pepper, garlic powder, and any optional spices or herbs.
  4. Toss dry onion slices in the flour mixture, separating rings and ensuring each piece is coated.
  5. Preheat air fryer to 350°F for 2-3 minutes.
  6. Lightly spray air fryer basket with nonstick spray or brush with oil. Arrange coated onions in a single layer (work in batches if needed).
  7. Air fry for 8-10 minutes, shaking basket or tossing onions halfway through. Watch closely after 7 minutes for deep golden color.
  8. Transfer cooked onions to a plate lined with paper towels. Let cool for 5 minutes to crisp up.
  9. Repeat with remaining onions, keeping batches small for best crunch.
  10. If onions soften after storing, reheat in air fryer at 350°F for 2-3 minutes to restore crispiness.

Notes

Slice onions as thinly and evenly as possible for maximum crunch. Dry thoroughly after soaking to prevent soggy coating. Don’t overcrowd the air fryer basket; work in batches for best results. Store cooled onions in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days. Re-crisp in air fryer if needed. For variations, try almond flour for keto, add cayenne for spice, or fresh herbs for flavor.

Nutrition

Keywords: air fryer, crispy onions, gluten-free, crunchy topping, vegan, casserole, salad, burger, snack, easy, healthy

Find it online: https://realityeats.com/air-fryer-crispy-onions-recipe-best-gluten-free-crunchy-topping/