Unopened jars of molasses should be stored in a cool, dry, dark location and will last for up to one year. Heat and humidity are the biggest threats to molasses; both can cause bacteria to grow into mold.

How long is molasses good after expiration date?

Molasses comes with a shelf life of 1 to even 4 years and easily keeps for at least a few months past the printed date. What is this? Once you open the bottle, it retains best quality for at least half a year but stays fine to use for much longer if you keep it sealed. That’s the gist of it.

Does molasses need to be refrigerated after opened?

Does Molasses Need To Be Refrigerated? You do not need to refrigerate molasses, with the exception of unsulfured molasses. Since this can ferment, it should be kept refrigerated, unless you go through it fairly quickly. Keeping regular molasses in the fridge would make it very thick and difficult to pour.