As I read the replies I realized everyone nailed your questions on the head, and I can actually smell the buns now!
There is a cookie at MGM that has won awards! Just for your info, it was yummy. Go to the Writers Stop for a carrot cake cookie, you will not be disappointed I tell you.
I found the link on some over looked snacks:
www.wdwradio.com/2010/03/quest-for-...orld-best-snack-at-disneys-hollywood-studios/
some good insight