When Daniel Boulud and Jim Leiken started putting the new restaurant DBGB together, they decided one hamburger would be topped with pulled pork. Rather than to start recipe testing, the chefs decided to use Daisy May's pork and serve the whole thing on a cornbread-cheddar bun. It's like the restaurant world's version of a co-operative: Chefs and restaurants are outsourcing a lot of ingredients from other restaurants these days. Take Kyle Bailey's Lower East Sliders on the bar menu at Allen & Delancey, for example: the pickle is Guss's, the salami is Katz's, and the Grafton Cheddar is from nearby Saxelby Cheesemongers.


