I love Poochies on Dempster in Skokie for traditional Chicago dogs,
but sometimes I get seduced by their Char Salami sandwich....
(on French bread with grilled onions and mustard is the way I like it)
Up in the far burbs I also think Dear Franks does an excellent version.
"If you reject the food, ignore the customs, fear the religion and avoid the people, you might better stay home."
~James Michener