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If you’ve been using the same can of baking powder for the past 4 years, then we have some news for you. The shelf life of many ingredients in the cupboard isn’t indefinite, in fact it’s not even as long as many people take for granted. So, this begs the question: how long do things actually last in the cupboard? Well, the answer varies depending on if you’ve opened the packages already.

baking powder
Via/ Flickr

According to the USDA Nebraska Cooperative Extension Service, many foods that have been opened have a shelf life that is reduced to 30% or less of the unopened shelf life potential. Read on to find out how long these items are actually supposed to last in your cupboard.

Baking Supplies

flour and baking ingredients
Via/ Unsplash