Quote Originally Posted by blackgang
PP, If you can find some jars you could seal with parafine and not need the regular sealing lids.,,,sugar preserves the fruit and wax keeps air away.
I dont make jam, but my relish does not go off. I cover the chopped up tomatoes and onions with a couple of cups of salt and leave them overnight before rinsing off the next day.

Does the salt do the same thing as the sugar in jam? Preserve it I mean?