If you like to bake with whole wheat flour on occasion, think twice before you store it on the shelf with your container of all-purpose flour. Why? Because whole wheat flour should actually be stored in the refrigerator. Seal it in a zippered plastic bag, and when stored in the fridge it will last up to six times as long as when stored in the cupboard.
Click here to learn 10 more surprising items that require cold storage.
[photo Bob's Red Mill]