This story was originally published on Restaurant Dive. To receive daily news and insights, subscribe to our free daily Restaurant Dive newsletter. Dive Brief: Portillo’s is slowing its rate of store development and cutting aspects of its operations — including its Chicago breakfast pilot — to focus on its existing markets, according to a statement issued Wednesday. The brand slashed its unit growth target from 12 to eight new units, a 33% decrease, and lowered its same-store sales projections from 1% to ...