When I was growing up, my mother always held onto Cool Whip containers so she could put leftovers in them. I hated this. I'm not sure why...part was because I felt tricked every time I saw the plastic container in the fridge, thinking we had Cool Whip to enjoy. I vowed that one day, when I was older, I'd buy new containers for my leftovers.Fast forward to today.My mother-in-law is the Calabrian queen of reusing containers. Pasta jars are carefully washed and stored in the cantina so that in Sept