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I have a gas oven stove that can go up to 550°F (~287°C), with also a gas broiler. If I place a muffin pan on the top or second top rack, under the broiler, after preheating the oven at its highest setting, what sort of temperatures might the muffin pan reach?

The end goal's to make some Portuguese egg tarts and I hear that generally it should be cooked as high as the oven can go, so I'm wondering what temperatures the muffin pan needs to tolerate.

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  • “… it’s coating …” - I guess that’s a muffin pan with non-stick coating?
    – Stephie ♦
    Sep 17, 2021 at 16:39
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    Welcome to SA! We're going to need more information about the muffin pan you're using: material, brand, ideally a photo.
    – FuzzyChef
    Sep 20, 2021 at 20:50
  • @FuzzyChef Hey there, I found the previous question to be too wordy so I've rephrased it to something a bit more succinct. I don't currently have a muffin pan since I'm still doing some research on how hot the pan might go and buying one depending on that
    – user154989
    Sep 24, 2021 at 3:10

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Tins for pastéis de nata are typically made of galvanized steel or aluminum, without coating. In commercial bakeries it is also common to see disposable tins made with aluminum foil.

You can use a muffin tin made from the same materials: uncoated galvanized steel or aluminum

All recipes for that I've ever seen ask for a minimum temperature of 250°C (or as far as your oven can go, if it goes above that, which many ovens nowadays won't be able to go too far above it), so you can take 250 as a ballpark temperature for choosing your muffin tins

Use the broiler to finish them and get the charred spots after your pastéis are cooked (usually 25 minutes at 250 would do)

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    If you're finishing them under the broiler, you could probably take them out of the original pan and put them on a plain baking sheet - they'll have structure by then.
    – Chris H
    Sep 24, 2021 at 10:22
  • Wait, galvanized steel? Are you sure? That seems ... risky. You sure it's not some other kind of steel?
    – FuzzyChef
    Sep 24, 2021 at 16:17
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    I'm going to strongly recommend that the OP stick to stainless steel and not galvanized. Galvanized steel can start emitting zinc at 250C, which would be toxic.
    – FuzzyChef
    Sep 24, 2021 at 16:19
  • @FuzzyChef it's literally written there on the website - that shop is pretty popular
    – Juliana Karasawa Souza
    Sep 26, 2021 at 17:47
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    Juliana: ceramics with leaded glazes are also very popular throughout Latin America. That doesn't make them non-toxic. And even though the site says "galvanized" the photo looks like stainless. So possibly a translation issue.
    – FuzzyChef
    Sep 26, 2021 at 19:09

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