one bad apple don't spoil the whole bunch giiirl! whoo! (doing my best michael jackson)
i would have tossed the fuzzy one, scrubbed the others well, removed any spots or eyes, then boiled or fried the wee spuds, as yt mentioned.
potatoes are very hearty and can withstand a lot of oogies and yuckies without going bad or being harmful.
i'm sure a few tubers have been chucked from root cellars over the years without ruining the lot.
gb, that's interesting about the sugar/starch conversion. i didn't know that it could go back and forth. need to do some research.
A true lover of nature does not despair now that his mistress has turned a colder cheek.