Can anyone tell me why my Air Fryer Oven doesn't crisp the food?  I air fried chicken wings during superbowl and they heated well but kind of burned instead of crisped.  Only gave 2 stars for the crisping of wings.  Will review once I've used it more.  Love that it flips up, seems of quality, and I have probably every other Ninja product available (Ninja Addict) and I love them.  I also give Ninja products for gifts.  So please don't go off of the two stars yet!