I don't think I've ever had anything I *hate* at WDW.
That being said, Mickey bars seem like a waste - I don't get how they could possibly be as good as some people let on. It's just chocolate covered vanilla ice cream.
Wasn't impressed with zebra domes. I think they'd be better with more crunch - as it was, they were way too mushy.
I've also never had a turkey leg, but they look revolting. (I HATE ham - I can't even think about it too much without feeling nauseous - so if the turkey legs taste like ham...)
Tonga toast was blah. I normally like granulated sugar on donuts, churros, etc, but for some reason, it was way too much on the tonga toast