If your jar looks questionable, here's how to know if it's still fresh. If you're anything like us, you probably have a collection of opened jam jars in your refrigerator—some mostly full, some nearly ...

Is it OK to leave it out on the counter if you use it every day? • Refrigerate jam and jelly after opening to maintain freshness and flavor. • Use clean utensils in the jar to prevent contamination, ...

While unopened jars of jam can be safely stored in a cool, dry cupboard or pantry, opened jars should always be refrigerated. Be sure the lid is tightly sealed to limit exposure to air, moisture, and ...