One of those clever hacks is how she uses her air fryer to maximise use and minimise worktop scratches. It's a slow cooker, steamer, air fryer, pressure cooker and more in one but its footprint is relatively small. If you have a hidden mini kitchen appliance garage, this under £10 hack could be a game changer for you. 'I know everyone says it's meant to be ugly, but I find its boxy shape and black matte finish just disappear into the background on my kitchen worktop.' What are your must-have features or hacks when picking out an air fryer?