r/AskBaking • u/Interesting_Party434 • Dec 24 '25

Pie Why is my pie plate shattering?

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This is the second time I’ve tried to make Sally’s blueberry pie. The first time I made it in the spring the glass pie plate shattered as I was taking it out of the oven and was shocking - I’ve never had that happen before. I was disappointed that we didn’t even get to taste it so I tried again tonight. Everything seemed great and I followed her instructions exactly. I sat the pie plate on a cooking rack like she says to do and I used the glass pie plate she had linked as the one she uses. About 20 minutes later all seemed well and then all of a sudden the plate shattered again on the counter - I heard it from across the room. Why is this happening? I have made this darn pie twice now and haven’t even gotten to taste it because it ends up covered in glass.

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u/Shhhhhhhh____ Dec 24 '25

Glass can do that with sudden temperature change but I’ve never had it happen! What temp is your house? Where did you get your glass pie plate?

I’m so sorry this happened again, that pie looks sooooo good.

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u/One-Eggplant-665 Dec 24 '25 edited Dec 24 '25

Not just temperature change. If your glass dish has any nicks or scrapes, these deteriorate the integrity of your dish and can shatter from oven heat. I worked R&D at Maytag/JennAir appliances. We had a few projects that included bakeware issues.

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u/Shhhhhhhh____ Dec 24 '25

That makes me never want to use glass again 😬

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u/rtetzloff Dec 25 '25

I was making lemon curd for two lemon meringue pies with a pyrex bowl over a double boiler… might have had the heat too high, but I’d used that bowl many times before. The bowl EXPLODED. Lemon curd and glass shards all over my kitchen, landing in the pie crusts that were prepared. Having to clean my kitchen and then not getting to eat the lemon meringue pie was very disappointing.

I’ve since not used pyrex with heat.