Bought a bag at the Indian grocery store with no directions for doing do @ I don't know if it's possible
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Yes. Issue would only be that you won't know the exact moisture content of the coconut milk required for the recipe. I would stick to a brand specified, or sub a preservative free can
Yeah, go for it. go easy on the water at first and add gradually so you still have some body. If you're making a curry of some sort, they're generally very forgiving...