The popularity of air fryers is booming. But are they the answer to our home cooking needs? Or are they just another fad that will fizzle out sometime soon? Sorted Food's Ben Ebbrell talks us through the best ways to use an air fryer and whether or not they can replace a traditional over. Plus, Which?'s Steph Kipling tells us how Which? puts them through the paces and what to look for when making a purchase. Read our list of the best air fryers.