Sealed, unopened bottles of molasses will keep for 10 years in the pantry and maybe more if kept in the refrigerator. Opened bottles of molasses should keep for 1 to 5 years if stored properly and kept sealed after every use.

How do you know if molasses has gone bad?

Mold on molasses can look like a barely perceptible slick on the surface, or a noticeably fuzzy, discolored patch. If you see even a tiny spot, throw out the entire jar. Molasses can also expire in less obvious ways. If it seems to have separated or has an unpleasant odor, it's also time to purchase a new bottle.

Is it OK to use expired molasses?

Molasses lasts for

Remember that molasses, like a lot of other baking products, usually has a best before date and not a use by date or an expiration date. Because of this distinction, you may safely use molasses for your flavoring needs after the best before date has lapsed.