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Can You Freeze Molasses?

by Tammie Painter

Derived from sugar cane and cooked down into a syrup, molasses adds moisture and sweetness to breads, cookies and other baked goods. Molasses can also be drizzled on hot cereals or stirred into coffee in place of sugar. Although molasses is a common and versatile kitchen staple, unless you frequently use it in large quantities you will need to store it between uses. Cold temperatures can extend the shelf life of molasses, but freezing may not be the way to go.

Frozen Molasses

Although it can be stored in the freezer, molasses does not freeze solid in most home freezers. The sugars in molasses act as an antifreeze and lower the freezing point of this sticky staple. Instead of the entire molasses mass freezing, the moisture within the molasses never comes close to freezing. As the water portion of molasses gets colder, the sugar crystals precipitate out. Later, when you thaw out the molasses, the once velvety liquid will be grainy with sugar crystals. This crystallization is much like what happens when honey crystallizes.

Fixing the Problem

Because repeated thawing and freezing only encourage the precipitation of more sugar crystals, if you do choose to store molasses in the freezer, portion it out first. Freezing the molasses in one-half cup portions or smaller will allow you to take out what you need as you need it and help you avoid the problem of repeated freezing and thawing cycles. To return your molasses to a smooth liquid, heat it gently in a warm-water bath. Heat the molasses only until the crystals have mixed back into the liquid. Another solution to the crystallization problem is to keep molasses out of the freezer.

Storing Molasses

The optimal place to store a jar of molasses is on your pantry shelf. This is true whether the jar has been opened or is still unopened. If the jar has been opened, make certain the lid is tightly closed before putting the jar away. Your pantry should be kept dark and within a temperature range of 50 to 70 degrees Fahrenheit. Opened jars of molasses may also be stored in the refrigerator but this storage method also puts your molasses at risk of crystallization. To reduce the chance of your molasses turning grainy, store it in the warmer portion of your fridge such the door shelves, rather than in the rear of the fridge.

Molasses Shelf Life

The shelf life of molasses is debatable. It can be used from six months to two years, depending on if it is open or unopened -- and depending on who you ask. A safe estimate is to use open or unopened molasses that is stored in the pantry within one year. Refrigerated molasses is good for up to another six months.

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