As classic as it gets, ol' faithful, ol' reliable, ol' dirty bastard. 

Lost Larson (Andersonville, Chicago) 8.5/10 - Great bread, Good bacon. Next to bench. 

https://www.lostlarson.com/ 

Dollop Diner (Chicago,IL) 6.5/10 - Too Wet! 

http://www.dollopdiner.com/