There is a moment familiar to every air fryer owner. You put in something innocent — a tray of vegetables, a piece of fish — and what comes out tastes faintly of last week's chicken wings. The basket looks clean. The drawer looks clean. And yet the smell persists, because the part doing the cooking is not the basket at all. It is the heating element and fan sitting in the roof of the machine, and almost nobody cleans it.
Here is the routine I use: a quick version after every cook, and a proper reset roughly once a month, or sooner if something has spattered enthusiastically.
The everyday clean, done while the pan is still warm
Let the machine cool until the basket is warm rather than hot, then wash it straightaway. Warm grease lifts with a drop of washing-up liquid and a soft sponge; cooled grease turns into a varnish that needs soaking. Take the basket out of the outer drawer if yours separates — the join between the two is where fat pools and hardens.
Avoid anything abrasive. Most baskets have a non-stick coating, and metal scourers, wire brushes and scouring powders will scratch it, which makes future cleaning harder and shortens the life of the pan. A soft sponge, a washing-up brush and warm water are enough for daily work. Dry everything properly before it goes back in, because trapped moisture is its own source of stale smells.
For baked-on, sticky patches: soak, don't scrub
Anything with honey, barbecue sauce or a sugary marinade will leave a lacquered patch that resists a sponge. Fill the basket with hot water and a squeeze of washing-up liquid and leave it for fifteen or twenty minutes. Most of it will slide off after that.
For the stubborn remainder, make a paste of bicarbonate of soda and a little water, spread it over the mark, leave it half an hour and work it gently with a soft brush — an old toothbrush is ideal for the corners and around the rivets. Rinse thoroughly so no powdery residue is left behind. Skip harsh oven-cleaning sprays entirely; they are far too aggressive for non-stick surfaces and they leave a smell of their own.
The bit almost everyone forgets: the element and fan
Unplug the machine and let it cool completely. Then tip it carefully onto its back or its side so you can see up inside the cooking chamber. You will find the heating coil and, behind or above it, the fan. Both will be coated in a fine layer of aerosolised fat, and that layer is what is being reheated every time you cook, producing the phantom smell.
Wipe the chamber walls and the coil with a cloth wrung out in hot soapy water — damp, never dripping, and never with the machine plugged in. Work around the coil rather than bending it. A soft brush gets into the fan housing and the vents. Some cooked-on spots may need a second pass with a bicarbonate paste on the cloth. Finish with a clean damp cloth to remove any soap, then leave the whole thing open to air-dry for an hour before you use it again.
Getting rid of lingering smells
Once the element is clean, most odours disappear on their own. If a trace remains, leave a small open bowl of bicarbonate of soda inside the cold, unplugged machine overnight with the drawer closed — it absorbs a surprising amount. A cloth dampened with a weak vinegar solution, wiped over the interior and then removed with plain water, helps too.
Do not pour water into the drawer and run the machine to steam it, unless your manufacturer explicitly says the model allows it. Most air fryers are not designed to hold liquid during operation. And check the outer body as well: the vents at the back release the cooking air, and a greasy film gathers on the wall or cupboard behind them.
Can you put an air fryer basket in the dishwasher?
Some are dishwasher safe and some absolutely are not, so the manual is the only reliable answer — look for the symbol on the underside of the basket if the booklet is long gone. Even when it is permitted, repeated dishwasher cycles are hard on non-stick coatings, so hand-washing usually keeps a basket in good condition for considerably longer. The main unit, with its element and electronics, must never go anywhere near water.
How often should you clean an air fryer?
Wash the basket and drawer after every single use, even if you only reheated something dry, because a thin fat film builds up faster than you would think. Do the full interior clean — element, fan housing, chamber walls, vents — about once a month with normal household use, or immediately after cooking anything very fatty such as bacon, sausages or chicken thighs with the skin on. If food is starting to taste of previous meals, that is the machine telling you the monthly clean is overdue.
