Bento Box Saves School Lunch! Onigiri Rocks! in Parents, Friends and Loved Ones of Celiacs Posted July 19, 2007 · Report to Admin These all look fabulous, but how time consuming is it? I HATE cooking/baking, etc. and of course I'm in charge of it here. I do bake a lot and it's edible, but the less time I can spend on lunch, etc. the better. Add to that two very "selective" eaters. If it takes more than 5 minutes I'm not sure I can get on board. Dad makes school lunches on M/W/F and I have T/Th.