Today's guest post comes from Rachel Thomas, an ex-babysitting pro as well as a professional writer and blogger. She is a graduate from Iowa State University and currently writes for www.babysitting.net. Today she's sharing information with us about preserving what we grow. Take it away Rachel... With plenty of gardening comes plenty of produce, but what can you do with all of it? You certainly can’t eat it all at once, and canning everything is a pain in the neck.…