Canning jars have found a new life as adorable containers for some of our favorite things. Using a canning jar for foods isn't just about the cute factor though. Jars make your foods more portable. Slip them into your bag before work and bring something healthy to your lunchtime. You also have the safety factor, because it's difficult for your coworker to claim your shepherd's pie in a pint jar. Enjoy these awesome ideas for desserts and main dishes that are all served up individual sized in jars.