this post was submitted on 13 Dec 2025
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cast iron and carbon steel pans
Can you unwarp a cast iron pan?
Asking for a friend
I have a round griddle that was warped enough it was almost un-usable on my glass top stove. Here's what I did.
Using a ruler and an angle grinder, I knocked down the high spots. When I put it on the stove again it was significantly better but still a bit wobbly so I took a cheap 2-sided sharpening stone and continued taking it down with that. It took a few hours to get as flat as I wanted but, I felt like it was worth it.
https://irvingdiner.com/how-to-flatten-cast-iron-pan-bottom-py259/This has three methods: sanding, hammering, heating with weights. (not linking because I have no idea if the site is slop)
Thanks! Wow I thought it was ruined.
How.
Shocking with cold water when it's still hot
Melt it and cast again?
No I meant... How do you warp cast iron? That blows my mind
It's easy. Get it really hot then dunk it in a sink of cold water.
My guess is a low cost, thin cast iron pan