Now arrange 4 things : onion rings, all purpose flour for dusting, breadcrumbs and batter.
Pick one onion ring and coat it in all purpose flour.
Then coat it in the batter.
Thereafter coat very well in the breadcrumbs.
For extra crispiness, again dip and coat in the batter.
Lastly, coat one more time in the breadcrumbs.
Arrange all the rings in a tray.
Place the tray in refrigerator for 15 minutes.
Thereafter arrange them in greased Air Fryer basket.
Gently oil them.
Air Fry @180°C for 8 minutes.
Thereafter turn the side of rings.
Air Fry further for 5 minutes.
Onion rings are ready.