01 - Separate the onion slices into individual rings. Set aside.
02 - Prepare three bowls: Bowl 1 with flour, salt, and black pepper mixed together. Bowl 2 with whisked eggs and milk. Bowl 3 with panko breadcrumbs, smoked paprika, and garlic powder combined.
03 - Dredge each onion ring in the flour mixture, shaking off excess. Dip into the egg mixture, ensuring full coverage. Coat with the seasoned panko, pressing gently to adhere.
04 - Place coated rings on a tray and spray both sides lightly with olive oil. Preheat air fryer to 400°F.
05 - Arrange onion rings in a single layer in the air fryer basket. Air fry for 10–12 minutes, flipping halfway through, until golden and crisp. Work in batches if necessary.
06 - Whisk all spicy mayo ingredients in a small bowl until smooth.
07 - Serve hot onion rings with spicy mayo on the side.