CHICAGO, IL - SEPTEMBER 15: Chef Sarah Grueneberg prepares food during her recipe demo at 'Cultivate Chicago,' a culinary celebration presented by Chipotle in Lincoln Park on September 15, 2012 in ... more 
CHICAGO, IL - SEPTEMBER 15: Chef Sarah Grueneberg prepares food during her recipe demo at 'Cultivate Chicago,' a culinary celebration presented by Chipotle in Lincoln Park on September 15, 2012 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images for Chipotle) less 
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Getty Images | Photo By Daniel Boczarski / Getty Images for Chipotle
Sun, Sep 16, 2012 2:02 AM EDT