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.

If you’ve ever made jam or jelly at home, you know most recipes require more sugar than fruit — oftentimes 4 to 7 cups! — causing many people to look for other ways to preserve more naturally and with ...

Whenever strawberry season comes around, you might be tempted to finally conquer your fears and try to recreate a simple yet delicious strawberry jam recipe. After all, how hard can it be? Well, it ...

It’s farmers’ market season! If you’re like me, you just can’t resist all that beautiful local produce. And then you bring home way more than you can reasonably consume before it goes bad. Thankfully, ...

There are great black holes in my pantry where last season’s bounty of shimmering preserves, tasty relishes and succulent jams once stood. My secret cache of peerless red raspberry jam – the perfect ...

I think there are three things that Seattleites universally look forward to when contemplating summer: The reappearance of a certain glowing orb in the sky, dining alfresco without needing a warm hat ...

Jam can be made with many different types of fruit. Not to be confused with jelly, jam tastes delicious on breakfast pastries like croissants, muffins and scones, but it is also a delicious addition ...