<div class=”d4p-bbp-quote-title”>Selco wrote:</div>
. In war that kind of jam (apple) was pretty valuable as a substitute for sugar. It can last 4-5 years in jars.

That reminds me of Apple Butter they used to make back where I grew up at one of the museums (living history). Big iron pot slowly stewing for hours on end, the smell would draw people for miles.

It never lasted years though, a jar may last days, maybe. Can enough and it might last through the winter, but I doubt it.