The basket coating is flaking or peeling

What is happening

Nonstick coatings on air-fryer baskets fail from abrasion far more often than from heat, which means most cases were caused by the cleaning rather than the cooking. Once an edge lifts, it continues, and there is no domestic way to recoat it.

Why it happens

Commonest first. It is almost always the boring one, and a page that walks you through the exotic causes before the obvious one has given you a longer path to a fixed dinner.

1. Most common

   It was cleaned with something abrasive

   Scouring pads, steel wool and wire brushes remove coating. Two manufacturers in this catalogue prohibit them by name for exactly this reason, on the accessories as well as on the appliance.

   What to do

   • Stop using anything abrasive on it
   • Replace the basket if the coating is actively shedding

2. Common

   Metal utensils were used in the basket

   A single scrape starts an edge, and the airflow and thermal cycling do the rest. One manufacturer names metal utensils specifically as something to avoid.

   What to do

   • Use silicone, wood or plastic in the basket
   • Replace the basket if the coating is actively shedding

3. Occasional

   Aerosol cooking spray was used directly on the basket

   Cosori's manual warns that propellants may damage the basket's nonstick coating. This is a genuinely surprising cause and it is published rather than inferred.

   What to do

   • Toss food in oil rather than spraying the basket
   • Replace the basket if the coating is actively shedding

4. Occasional

   Thermal shock

   A hot basket plunged into cold water contracts unevenly, which crazes a coating and warps the metal under it.

   What to do

   • Let it cool before it meets water
   • Replace the basket if the coating is actively shedding

The fixes in full

Stop using anything abrasive on it

Soak instead. Every manufacturer in this catalogue offers soaking before anything mechanical, and one publishes a baking-soda paste for burnt-on residue specifically so that scrubbing is not needed.

Use silicone, wood or plastic in the basket

One manufacturer specifies silicone-tipped tongs for turning food. Anything that would not scratch a saucepan is fine.

Toss food in oil rather than spraying the basket

It uses less oil, coats more evenly, and avoids the propellant the manufacturer warns about.

Let it cool before it meets water

Every manual requires the appliance to cool before cleaning. It applies to the basket for a different reason: thermal shock warps it.

Replace the basket if the coating is actively shedding

A coating that is flaking will keep flaking, and pieces end up in food. Most manufacturers sell replacement baskets, and it is far cheaper than the appliance. There is no domestic recoating that is worth attempting.

Trade-off: The cost of a part, against continuing to cook in something that is coming apart.

Evidence and confidence

Equipment that bears on this

• Oil sprayer — Genuinely useful — Good for coating food evenly with very little oil. At least one manufacturer forbids spraying it into the chamber, and aerosol cooking sprays damage non-stick coatings.
• Silicone-tipped tongs — Genuinely useful — The accessory that protects the most expensive part of the appliance, and manufacturers are unusually united about it.
• Soft-bristled cleaning brush — Genuinely useful — Reaches into perforations and grooves that a sponge cannot, without doing what a scourer would.
• Non-scratch sponge — Genuinely useful — Named directly by manufacturers, and the thing it replaces — a scourer — is prohibited by every manual in this catalogue that mentions the subject.
• Replacement basket or crisper plate — Useful for a specific job — The part that decides how long an air fryer lasts, and the one whose availability almost nobody checks before buying the machine.

Related problems

• Food sticks to the basket