Yes, you can put Pyrex in an air fryer as long as it is oven-safe glass, kept within its temperature rating, and small enough to leave airflow around it. Oven-safe Pyrex is designed for baking heat, so the air fryer’s temperature is rarely the problem. The real thing to manage is thermal shock — a sudden temperature change that can crack or shatter the dish.
Important safety note
Never put cold Pyrex straight from the fridge into a preheated air fryer, and never run cold water over a hot dish or set it on a wet, cold surface. Let the glass warm up closer to room temperature before cooking and cool gradually afterward. This one habit prevents the large majority of glass breakages. Always handle a hot dish with oven mitts, and set it down on a dry towel or trivet, not bare metal or stone.
Know your type of Pyrex
Not all Pyrex is the same glass, and the difference matters for how much sudden heat change it can take. Always check the marking on the base of your specific dish rather than assuming.
| Type of Pyrex | Common examples | What to know |
|---|---|---|
| Borosilicate | Older US-made and much current European Pyrex | Strong resistance to temperature swings; still avoid thermal shock |
| Tempered soda-lime | Much current US-made Pyrex | Oven-safe, but more sensitive to sudden temperature changes |
| Measuring / mixing pieces | Cups, bowls | Not always meant for baking heat; check the oven-safe rating first |
If a piece isn’t clearly marked oven-safe, don’t use it in the air fryer.
When Pyrex is fine to use
- An oven-safe Pyrex dish rated to your cooking temperature, for baked eggs, a small casserole, a crustless quiche or reheating leftovers.
- A dish that leaves space around the edges and above it so hot air can still circulate. See our guide to putting glass in an air fryer for the same airflow rule applied to all glassware.
- Smaller ramekins or dishes that fit comfortably inside the basket without touching the heating element.
When to skip the Pyrex
- Don’t use any piece that isn’t marked oven-safe, and never use cracked or chipped glass.
- Don’t fill the basket with a dish so large it blocks airflow, or food cooks slowly and unevenly.
- Don’t exceed the dish’s rated temperature. Most oven-safe glass handles standard air-fryer settings, but check the base for its limit.
- Avoid sudden temperature changes at every step, which is the main way glass fails.
How to use Pyrex the right way
- Confirm the dish is marked oven-safe and rated for your temperature.
- Choose a size that leaves room for air to flow around and above it.
- Let cold ingredients and the dish warm up a little before cooking to reduce thermal shock.
- Cook at a moderate starting point — many recipes work well around 300 to 350°F for glass-dish foods like eggs or casseroles. Times vary by model, so check for doneness rather than relying on the clock.
- For meat and fish, verify doneness with a thermometer: 165°F for chicken and other poultry, 160°F for ground meats, and 145°F for fish and whole cuts of beef or pork (with a short rest).
- Handle with mitts and let the dish cool gradually on a dry, room-temperature surface.
Related questions
Is modern Pyrex safe in an air fryer? Yes, if it is oven-safe and used within its rating. Much current US-made Pyrex is tempered soda-lime glass, which is oven-safe but more sensitive to sudden temperature changes, so warming and cooling it gradually matters even more.
Can I preheat the air fryer with the Pyrex inside? It’s safer to let the empty dish warm as the air fryer preheats, rather than adding a cold dish to an already-hot basket. That gentler ramp-up lowers the risk of thermal shock.
What should I do if a dish cracks or the fit feels wrong? Stop using any cracked or chipped glass and discard it. If you’re unsure whether a container is suitable for your specific model, check the manufacturer’s manual or contact them rather than guessing.
For the wider rules on ovenproof glassware, read can you put glass in an air fryer, see the best glass air fryer picks with a built-in bowl, or browse more air fryer guides on our homepage.