MINNEAPOLIS--(BUSINESS WIRE)--From new routines to early alarms and packed schedules, the back-to-school season brings big adjustments for families. But right behind those shifting routines comes another major stressor: shopping for snacks. In fact, a recent General Mills survey* found that shopping for food/snacks to have on hand during the school year (29%) is the second biggest source of back-to-school stress for parents—right after adjusting to new routines (32%). And that stress doesn’t st