Folks,
A Sonoran dog is a bacon-wrapped wiener stuffed in a closed-end bun with mayo, mustard, tomatoes, and onions. It is a popular hot dog in the Tucson area at a place called BK's Carne Asada and Hot Dogs.
Here is a picture:
http://www.erench.com/RESTAUR/AZ/TUCSON/BK/index.htmIs there any place in Chicagoland that serves something similar? A 13 year old boy is really looking forward to your answer.