With the school year quickly coming to an end, chances are, your lunchbox creativity level is dwindling. And if your child's school is nut-free (or he/she has a nut allergy), you're up against an even greater challenge. Put your cookbooks away and look no further. These 15 kid-friendly, nut-free lunch ideas and recipes are enough to get you through the end of the year looking like an A+ mom.