Canning 101 and Strawberry Jam Basics--Making a simple strawberry jam is the best way to break into canning. It’s easy, delicious, and loved by all. Canning supplies are relatively inexpensive and will last you a long time if you take care of ‘em. Mason jars and screw-on bands can be reused. The center lid (the part that creates the airtight seal) is the only thing that has to be new each time.