Arkansas: meth cookies :)
michigan is the coney dog? i have never heard this. google says they are popular in detroit. ah, that explains it: there's detroit and then there's michigan ;)
I'm not sure what Michigans would be: the pasty is more UP, cherries are pretty big, fudge perhaps
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http://sploid.gizmodo.com/the-signature-food-from-each-state-in-the-usa-1696616593