Valois Cafeteria in Chicago is the Hyde Park cafeteria on 53rd Street since 1921, an Obama-era regular, with the See Your Food sign and a steam-table breakfast.
Signature drink: Coffee and the daily breakfast plate
Tip: Cash only. The Obama-favorite tray is scrambled eggs, two sausages, hash browns and toast for under $7.
Lou Mitchell's in Chicago is the West Loop diner on West Jackson since 1923, the historic Route 66 starting point breakfast, with Milk Duds passed out at the door.
Signature drink: Coffee and Milk Duds at the door
Tip: Order the Greek omelette and an orange-cup fresh juice. Saturday queue is 45 minutes; arrive at 07:30.
Work-friendlyWifi
La Colombe in Chicago is the West Loop branch on Randolph of the Philadelphia roaster, with the draft latte (nitrogen-infused) and a large airy front room.
Signature drink: Draft latte
Tip: Draft latte is the room's signature; buy the can to take home if you don't want to wait for the tap pour.
Work-friendlyWifi
Sawada Coffee in Chicago is Hiroshi Sawada's West Loop cafe on Green Street, doored with Green Street Smoked Meats, home of the matcha-espresso-cocoa military latte.
Signature drink: Military latte (matcha, espresso, cocoa)
Tip: The window counter has the best light; the back of the room is louder than it looks because it shares with the BBQ kitchen.
Work-friendlyWifi
Intelligentsia in Chicago is the Monadnock Building flagship of the third-wave roaster (founded 1995 by Doug Zell) on Jackson Boulevard, with Black Cat espresso.
Signature drink: Black Cat espresso
Tip: Order the Black Cat as a single-shot macchiato; it shows off the roast better than a long milk drink.
Work-friendlyWifi
Metric Coffee in Chicago is Xavier Alexander and Darko Arandjelovic's West Town roaster-cafe on Fulton, in a former blacksmith shop, with single-origin pour-overs.
Signature drink: Single-origin pour-over
Tip: Ask for the bar seat by the pour-over station; the baristas talk you through the cup as they brew it.