The wear part
A waffle maker’s hinge outlives its plates. A pressure cooker’s base outlives its inner pot. A blender’s motor outlives its blade. In every case the thing that fails is a surface, and in most cases it is a nonstick coating.
Four things that shorten it
Metal utensils. A fork, a knife or a metal spatula cuts the film, and food sticks there from then on.
Abrasives. Scouring pads, powders — and dishwasher detergent on parts not declared dishwasher safe.
Heating empty, or too hot. A coating with nothing on it reaches temperatures the food would otherwise have absorbed. On PTFE that is also the point where the film starts to break down.
Aerosol cooking spray. The lecithin in most sprays bakes onto a nonstick surface as a sticky brown film that no amount of washing removes. Brush on a little oil instead.
The alternatives, and how they fail
- Stainless steel: does not wear, does not release without fat.
- Cast iron: does not wear, needs seasoning and drying.
- Natural stone: does not wear, needs a long preheat.
- Enamel: does not wear under a spatula, chips if dropped.
- Silicone: releases without greasing, browns less than metal.
Some makers publish what their coating is. The Kaiser Classic loaf pan states a single-layer PES coating with a small PTFE content; GreenPan names Thermolon Volt, a ceramic, and states it free of PFAS, PFOA, lead and cadmium. Most of the shelf says only “nonstick”, and that is the information to look for before buying.
The practical conclusion
Buy the machine whose worn surface is a part. On this site that means the waffle makers and grills with removable plates — the Dash Mini Maker plates at $9.99 for two, stated dishwasher safe, or the Cuisinart Griddler waffle plates at $56.26 — the pressure cooker whose ring is stocked, and the blender with a removable blade unit. A plate costs a fraction of a machine, and it is the only part that was ever going to wear out.
Prices quoted in this text were read on 2026-10-17. The live price is at the top of the page.
What readers want to know
What are the alternatives to a coating?
Stainless steel, cast iron, natural stone, enamel and silicone. Each fails differently: steel does not release without fat, stone needs preheating, enamel chips, silicone browns less. None of them wears out the way a coating does.
Is ceramic better than PTFE?
Different, rather than better. A ceramic coating such as GreenPan's Thermolon Volt on the GreenPan Elite waffle maker is free of PFAS by construction and tolerates higher heat, but it is hard and brittle and tends to lose its release sooner than a good PTFE film. A PTFE coating releases longer and is softer, so it scratches more easily and must not be overheated. Either way it is the exact part that decides the machine's life.
Can I use metal utensils?
Only where the maker says so. On the bakeware shelf, GoodCook claims metal-utensil safety on three of its four pans; KitchenAid and Amazon Basics make no such claim. On a waffle maker or a grill plate, assume no: use wood, silicone or nylon, and never cut on the plate.
Last reviewed 17 October 2026