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Can You Put Glass in an Air Fryer?

Short answer

Yes - oven-safe glass only

Yes, you can put glass in an air fryer, but only glass that is explicitly marked oven-safe, such as borosilicate (Pyrex-type) bakeware. The real hazard is thermal shock: an air fryer heats far faster than an oven, and cold glass meeting that heat can crack or shatter.

Why glass behaves this way

Oven-safe glass is fine in an air fryer for the simple reason that an air fryer is an oven - a small, fast, fan-driven one. There is no microwave radiation involved, so none of the arcing or sparking worries that people carry over from microwave cooking apply here. A borosilicate dish that is happy at 400°F in your main oven is happy at 400°F in the air fryer basket.

What changes is the speed. An air fryer goes from cold to full temperature in a couple of minutes and blasts moving air directly at whatever is inside, so the glass heats much more abruptly than it would on a wire shelf in a conventional oven. That abruptness is what breaks glass. Take a dish out of the fridge and drop it into a preheated fryer and you are asking a cold, rigid material to expand very quickly and unevenly, and sometimes it will fail. Let glass come up to room temperature first, and never move it from the hot basket onto a cold or wet worktop.

The rules

  • Use only glass marked oven-safe or heat-resistant - borosilicate (Pyrex-type) bakeware.
  • Let the dish reach room temperature before it goes into a hot fryer.
  • Rest it on a dry trivet or wooden board when it comes out, never a cold or wet surface.
  • Leave a finger of clearance around the dish so air can still circulate.

What goes wrong

  • Thermal shock - cold glass into a hot fryer, or hot glass onto a cold surface - can crack or shatter it.
  • Drinking glasses, jars and decorative glass are not heat-rated and can break.
  • A dish that fills the basket blocks airflow, so food cooks slowly and unevenly.

Glass in an air fryer: FAQ

Can you put glass in an air fryer?

Yes, if it is oven-safe glass such as borosilicate (Pyrex-type) bakeware. An air fryer is just a small convection oven, so anything rated for your oven works. The risk to manage is thermal shock, not the glass itself.

Can you put Pyrex in an air fryer?

Yes. Pyrex and similar borosilicate bakeware is designed for oven temperatures and is safe in an air fryer. Bring it to room temperature first rather than moving it straight from the fridge into a preheated basket, and let it cool on a dry trivet afterwards.

Will glass shatter in an air fryer?

Only if it is not oven-safe, or if it goes through a sudden temperature change. An air fryer heats much faster than a conventional oven, so cold glass is under more stress than it would be on an oven shelf. Room-temperature glass into a hot fryer is fine.

Can you put a glass bowl in an air fryer?

Only if it is oven-safe. An ordinary mixing or serving bowl is not heat-rated and may crack. Check the base for an oven-safe marking, and make sure it leaves enough room in the basket for air to move around it.

What else can go in an air fryer?

See the full list on what can you put in an air fryer.