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.

Wash the strawberries, remove the stalks and cut the larger ones in half. Place half of them in a large saucepan and crush with a potato masher. Then stir in the sugar and the rest of the strawberries ...

A dollop of sweet strawberry preserves is like summer in the mouth. Lathered on toast, spooned on ice cream or slathered on a PBJ, it’s magic. Perfect strawberry jam, spreads or preserves capture the ...

Rinse clean plastic containers and lids with boiling water. Dry thoroughly. Stem and crush strawberries thoroughly, one layer at a time. Measure exactly 2 cups prepared fruit into large bowl. Stir in ...

Massive winter storm with damaging ice in South, heavy snow from Texas to Northeast to affect over 180 million Air Force One turns around shortly after takeoff for Trump's trip to Switzerland Body of ...