Yeah!  I could totally "jam" on that idea. Jam in the hat!  Maybe expand it to jam/jelly/preserve/conserve/pickle, or just call it Jar In The Hat?  Beekeepers might jump in and send a jar of honey, too.  I'd end up getting the short end and receive a jar of pickled beets.  Now I am not so sure. 
So, a typical entry would be:
Name
Address
Food allergy/dislike
I wonder how many people would jump on this one?