Alternatively, locate your nearest library with a knitting circle.
Infiltrate the knitting circle (you do not necessarily need to know how to knit, other arts and crafts projects are often fine too).
There will be someone in the knitting circle who knows how to make preserves. Learn their secrets.

Late reply but in case anyone else needs to know: search for old second hand cook books. Doesn't have to be very old to weed out AI. Preppers have been along a little longer, but they're less prevalent on the thrift store cook book market.

I love using Firefox, I really do. Loads of great features that I really wouldn't want to say goodbye to. However, I am very sick and tired of seeing AI-for-the-sake-of-having-AI crap everywhere. This is not an enhancement, it's a buzzword gimmick.