Cornstarch is a pantry staple known for its longevity, but like all food items, it can go bad under certain conditions. Here’s a detailed look at whether cornstarch goes bad, how to tell if it has spoiled, and how to store it properly to extend its shelf life. Shelf Life Indefinite Shelf Life Longevity: Cornstarch can last indefinitely if stored properly. It does not spoil in the traditional sense because it lacks moisture, which is necessary for bacterial growth and mold. Best By Dates: The “best by” date on cornstarch packaging is more about peak quality rather than safety. It…