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 ...

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, ...