Beko Multifunction CookMaster Oven. AEROCHEF : Thanks to the Beko ovens with the AeroChef Integrated air frying accessory, you can prepare healthier fried foods by using only small amount of oil. This accessory utilises hot air within the oven to cook meals which normally need to be fried. The rotating basket uses 13 times less oil as regular frying and is enough to prepare delicious crispy fries, wings and cutlets. Moreover, you can fry nuts or pop corn using the AeroChef accessory.