Air fryers have taken over our kitchens, but which wins the crown for the crispiest cooking? Our expert peeled 7kg of potatoes to find out • The best blenders to blitz like a pro, tried and tested Air fryers inspire the sort of feelings that microwaves did in the 1980s. I vividly remember those new-fangled boxes being spoken about often, either dismissively or with delight. A rash of cookbooks followed, and dinner changed across the land. Fast-forward a few decades, and air fryers have become the same kind of kitchen “disruptors”, offering time-saving convenience and healthier cooking, but with…