Add Yahoo as a preferred source to see more of our stories on Google. We use strawberry jam as an example to explore the underlying principles of water activity, a key technique for food preservation.

Homemade fruit jam is a delicious, easy way to preserve the flavors of fresh fruits like strawberries, blueberries, or peaches. This recipe combines your favorite fruits with a touch of lemon juice ...

In the past, making jam was a way to have fruit on hand during the long winter months. Today, we make jam more for pleasure than out of necessity. A range of new pectin now allows us to make jam ...

How texture, sweetness, and fruit content set these two apart.

This story first appeared on Food52, an online community that gives you everything you need for a happier kitchen and home – that means tested recipes, a shop full of beautiful products, a cooking ...

Our black raspberries are ripening so quick this year. I have to be vigilant, though, about picking enough for jams. The competition is fierce. The birds enjoy berries and the deer, well, they’re ...