My first job was at a Chick-Fil-A. Yep, I still eat at CFA whenever I get a chance!
Louisville is known for the Hot Brown, invented at the Brown Hotel in 1923.
http://www.brownhotel.com/hotbrown.php3. Louisville is also known for fried whitefish sandwiches, and Lynn's Paradise Cafe
http://www.lynnsparadisecafe.com/. Oh yeah, and a little drink called a mint julep.
I'm not quite sure what Central Ohio is known for food wise, besides Cameron Mitchell and Wendy's?