At the cheffed-up version of Logan Square’s iconic greasy spoon, Boka and Blackbird vet Sarah Jordan’s double cheeseburger ($9) packs in a lot for a little: thin but juicy patties, a bounty of pickles and diced onions, melted cheddar, and a tangy mayo-based sauce on a pillowy housemade bun. It’s the platonic ideal of the diner burger.

2545 N. Kedzie Blvd.,