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.

In this video, I ll show you a simple recipe for honest, homemade strawberry jam packed with flavor and free of unnecessary ...

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 ...

Experienced jelly-makers will tell you one enduring fact: All pectin is not created equal. The two types of pectin – liquid and dry – are safe for most people. Which one home cooks use, says Kansas ...

A favorite sweet spread for toast and bagels, strawberry jam tastes even better when made from the beautiful berries found in our gardens and at local produce stands. Jam is a slightly thick spread ...

This story is a component of the feature “Seasons of Preserves: Berry Jelly,” which is part of a four-part series on preserving fruit at home called “L.A. in a Jar.” As RuPaul sings in the 2012 song ...

variety of homemade jams in glass jars - Stephaniefrey/Getty Images Fresh fruit is a natural treat, but when it's converted into a spreadable, sweet-tart jam, there's almost nothing it can't do.