These canning supplies will help both beginners and experienced canners make the most of their garden harvest this year. Preserving food is the best way to enjoy summer's vegetables all winter long. Whether you pressure can, water bath can, freeze, or dehydrate your excess produce, having the right preserving supplies will make the job much easier. Whether your grow your own food or get your fresh vegetables from the farmer's market, learn what you need to put up your own food this year.