With the cost of groceries steadily rising, it may become important to us to know this information:

(for shelf stable unopened packages)
Once packages have been opened all food should be consumed as soon as possible.
Data from Pittsburg Community Food bank.

Canned Goods: 2 to 3 years
Spaghetti Sauce: 18 months
Cereal: 1 year
Dry Pasta: 2 to 3 years
Coffee: 1 to 2 years
Popcorn: 1 year
Peanut Butter: 18 months
Spices: 2 to 4 years
Cookies: 4 months
Carbonated Beverages: 3 to 9 months

For full list of over100 different items, visit bianc.amor.com and check the link for Shelf Life After Best Before Date.