I was baking a pancake and the bottom surface of the pancake varied in color where the bottom of the pan had ridges (spaced by ~1mm)
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this intrigues me a lot because the pan itself is thicker than the separation between ridges, yet the imprint was very clear
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I don't think the thickness is relevant; rather it's the insulation from air where the pan does not touch the stove surface.
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Assuming of course that you're using a modern electric stove with flat cooking surface. If it's gas or exposed elements, no idea
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I was just going to ask - is it plausible for ridges to "project" the induction heating further upwards?
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as in, maybe they create a hot spot pattern that is very close to the top surface and can imprint on the pancake
yes. that was my leading guess. but it was completely wrong and now i'm just confused