Au Cheval shared by @eater says: ""Chicago burger sensation Au Cheval has a new basement bar for its multi-hour waits. The modern Tribeca diner was immediately mobbed after it opened in early March with people looking for a taste of the famous classic American burger, and now the downstairs area is being used as a waiting room for those looking to eat upstairs — but it has its own food and drink menus."" on Postcard