Flour
Something like flour should last forever, right? Wrong! In general, you can keep it for six to eight months past its “best by” date, but whole wheat flour will go rancid more quickly because of the essential oils from the grain. If it has an unpleasant odor or taste, it’s time to throw the bag away.
Not sure what kind of flour to use? Check out our essential flour guide.
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Lindsay D. Mattison