It’s back-to-school season! Mornings are once again filled with getting kids out of bed, dressed, fed and off to school on time. And for some, that weekday to-do list also includes packing a lunch.

School is back and, with it, the daily task of packing a lunchbox. If your child is coming home with uneaten sandwiches, you’re not alone. They’re easy to make and transport, but sometimes the last ...