I bought a brand new hard anodized pan for making roti. I used some oil while cooking. After cooking, washing I saw these stains (most likely grease) that would not be removed after washing with my usual dish washing liquid.

Pan photo

I heated the pan hoping that oil would come off. It didn't.

Then I gently scrubbed vinegar soaked toothbrush on the greasy spot. Some of the grease got removed, (50%) but it remained there in other spots.

Is my cleaning process correct?

1 Answer 1


Try this approach, as I describe on my blog:

1) Fill the pot or pan or other aluminium utensil with water.

2) Add a tablespoon of vinegar or two teaspoons of cream of tartar for every quart of water.

3) Boil this solution for 10 to 15 minutes and scour the vessel with a soapy steel wool pad.

4) Rinse and dry.

  • A major point is that winegar is less effective than water alone, as far as the material to be removed is fat or grease.. If really necessary I would go with a non greasy clear and crispy solvent. Such as acetone or nail enamel remover It could be unpleasant in a kitchen but assuming a thorough washing / evaporation, no health concerns. Obviously I am a chemist :)
    – Alchimista
    Sep 19, 2017 at 13:31

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