Originally Posted by
Dantheman
Is it technically keto, sure. Is it healthy, no. Oxidized fats are definitely bad for you, and deep frying is a sure-fryer way to incorporate a whole bunch of them into your diet. As an occasional thing at home it's not the worst thing in the world, since you can use better oils and the oil gets heated up for maybe an hour and gets reused 5-10 times. Compare that to restaurants or commercial fryers using the cheapest shit oils available, the oil spends 8-12 hours a day at 350*, and they change it out once a week at best[/shudder]. Even at home though, it's not a cooking method that should be in your regular rotation.
No help on air fryers.