White stains that make potatoes sticking to my iron frying pan
![White stains that make potatoes sticking to my iron frying pan - From above of raw dough placed on table covered with flour near kitchen utensils and eggs in kitchen with ingredients White stains that make potatoes sticking to my iron frying pan - From above of raw dough placed on table covered with flour near kitchen utensils and eggs in kitchen with ingredients](/assets/images/white_stains_that_make_potatoes_sticking_to_my_iron_frying_pan_0.jpeg)
I've got a well seasoned, never soap washed iron frying pan that I love and take care. This pan used to work well and not stick at all. Untill now.
There are now small white stains that make potatoes sticking to. Just potatoes (the last I bought, "agatha" variety), not other food.
To correct that I tried to heat up salt (2mn) and re-seasoning (1mm of olive oil, until smoke appears, I put it under cold water and wipe with paper towels)
It didn't work, white stains are still there and potatoes still stick to.
What may I do? Do I need to wash it with soap? I don't want to do that in order to not break the seasoning, but if I can't do anything else...
Best Answer
These are hard-water deposits, mineral residue from your water that can build up over time, and interfere with the pan's non-stick properties.
You can get rid of them with a paste of equal parts baking soda and vinegar applied to the discoloration, and left to do it's work a half hour or so. Attack it with a nylon scouring pad, and finish off with a thorough rinse and dry.
You shouldn't need to re-season the pan when you're finished, but a fresh coat of oil and some time in the oven afterwards couldn't hurt.
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Why are my potatoes sticking to the pan?
Make sure the skillet is clean. If there is anything stuck on the bottom of the skillet when you try to start cooking crispy potatoes they will stick. If the pan is well seasoned this shouldn't be a problem. Do not use a lid.Does baking soda react with cast iron?
Some are under the impression that acidic foods can discolor cast-iron, but a baking soda scrub should eliminate any discoloring. Some people think that acidic foods cause iron molecules to leach out into your food, but that's actually a good thing!Crispy fried potatoes in a cast iron skillet without sticking!
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Images: Klaus Nielsen, Ron Lach, Milan, Toa Heftiba Şinca