I make my own applesauce all the time, but it's been years since I've canned it (I don't have room to keep it!!), so I don't remember what it needs! One thing to remember though is that sugar helps to preserve it, so if you're making it without sugar, or with sweetener instead, you'd be better off to freeze it rather than can it. Other than that, just be sure to follow the directions. : )
