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The Reason You Shouldn't Bake Brownies in Glass Pans

Last week, a fellow editor came to me with a good question: is it possible to bake brownies in a glass pan instead of metal? The short answer is yes. It is possible to bake brownies or other cookie bars with a glass pan — but this comes with a few caveats.

According to Lauren Chattman, author of The Baking Answer Book, clear glass, much like dark metal, absorbs heat, making it ideal for crisp-crusted pies but much less so for bar cookies, quick breads, and fruit crisps, which can easily become burnt.

Aluminum and nonstick pans are generally best for brownies, although ceramic, which is slower to absorb heat, will work, too, but will produce a lighter-colored product at the end. If you must use glass, reduce the oven temperature by 25 degrees and bake for the same duration of time to achieve desirable results.

Image Source: POPSUGAR Photography / Nicole Perry
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Join The Conversation
Spectra Spectra 6 years
I used to have a Pyrex pie plate, but I baked a pie in it and left it at my Mom's house and now she has it. I'm guessing I won't be seeing it again soon. Maybe I'll ask for a new one for Christmas.
lilkimbo lilkimbo 6 years
I used to use Pyrex and everything always turned out OK. Nothing was great, but it was pretty good. Recently, I've switched over to Pampered Chef Stoneware and it's all I use now.
neonbee neonbee 6 years
I usually use glass for brownies, and they turn out all fudgy and great. Now I know it's because I lower the temperature.
snarkypants snarkypants 6 years
i had a roommate in college who would always make brownies in a glass pan. they were awful! all hard and nasty. we always felt bad declining them when she offered them to us, but they were not good at all! my guess is she didn't lower the heat to compensate for the glass.
justanerd1975 justanerd1975 6 years
who knew!
justanerd1975 justanerd1975 6 years
who knew!
Smacks83 Smacks83 6 years
Good to know. I recently bought a Pyrex set and then someone sent me an email about cases of exploding glass baking dishes and I kinda got freaked out.
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