What is the best dish/way to transport mashed potatoes to another location to make sure they stay warm and not get cold and hard?

I want to try to make some for Thanksgiving, but I've never done this before. How do I make sure they stay warm after they're finished cooking?

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Spoiledbrat · F

If you don't have a bowl with a lid use foil or plastic wrap. But I wouldn't transport them personally. I'd bring everything and make them wherever your having Thanksgiving.

perceptivei · 36-40, F

@Spoiledbrat Hmm. Can't do that.

I can find a bowl with a lid. Is there a material like porcelain vs glass that retains it's heat better?

Don't want to use cast iron dutch oven, because cast iron needs to be cleaned and seasoned promptly.