Ninja Double Stack XL Air Fryer: *£269.99 > £199.99* Hailed by us as the best overall air fryer, the Ninja Double Stack XL is a brilliant option that will suit most households. Although it sports a whopping 9.5-litre capacity, which is enough to cook up to eight portions, its clever space-saving design means it’ll fit neatly into smaller kitchens. https://amzn.to/3S3LuaX