Jam is one of our favorite spreads, and it's oh so versatile — from simple seasonal fruit and sugar to sweet-and-meaty bacon jam. Not only is it heavenly on warm toast in the morning, but it ...

For shelf-stable jam, the USDA recommends jars with the two-part lids (a metal ring and flat lid with rubber gasket). The lid covers the jar, and the ring holds the lid in place as it seals during ...

Meghan Markle’s homemade jam. @heatherdorak/Instagram On Friday, Markle released her new apricot spread in an individual jar for $9 and keepsake packaging for $14.

Optimum pH for persuading jam and jelly to gel is somewhere between 2.8 and 3.3. All the wonderful jams of summer are basically creative exercises in chemistry.