![Cooking Spray Expires? (And Other Date Stamp Mysteries)](http://townsquare.media/site/394/files/2015/05/cooking-spray.jpg?w=980&q=75)
Cooking Spray Expires? (And Other Date Stamp Mysteries)
Recently when a rare urge to bake came over me, I reached in the pantry for cooking spray and scratched my head. First I wondered, "Why do I have 3 cans of cooking spray? and then I asked myself, "Why have they all expired? I thought they had a shelf life of...