Which food can usually be stored longest on a cool pantry shelf?

Cans of soup are designed for long-term storage, making them an ideal choice for a cool pantry shelf. The canning process preserves the food by sealing it in a sterile environment, which prevents bacterial growth and spoilage. This means that unopened canned goods can last for years without refrigeration, as long as they are stored in a cool, dry place.

Fresh fruits typically have a limited shelf life and can spoil quickly, especially if not stored under the right conditions. Packaged snacks may have a decent shelf life but often contain preservatives that do not extend as long as canned goods. Dairy products usually require refrigeration to maintain safety and quality, as they can spoil rapidly if left out. Therefore, the ability of canned soup to remain safe and consumable for an extended period makes it the best option for long-term storage on a pantry shelf.