I bought some chestnuts in the fall for Christmas but haven't used them all yet. How long do they keep? How would I tell if they 'went bad'? They look just like they did when I bought them (no blemishes) but may weigh less (they seem light) and seem harder to the touch (but I may be misremembering).
Spoilage – How Long Do Raw Chestnuts Keep?
spoilage
Best Answer
According to Chestnuts for Sale:
Otherwise, they recommend freezing them (preferably par-cooked), and provide information at the link above.
Washington Chestnut offers the following information about storing chestnuts, to prevent molding to which they indicate the chestnuts are susceptible due to their high water content: