Compiled from various sites
Cantaloupe 7-10 days, refrigerated.
Brown sugarIndefinite shelf life, stored in a moistureproof container in a cool, dry place.
Baking Powder18 or exp. date, if unopened. Generic: Keep dry and covered. Test effectiveness w/ 1 tsp. BP and ¼ cup tap warm tap water. If bubbles, then still active
Bouillon24 months
Cereals Ready to eat
6-12 months
To Be Cooked
6 months
Baking Cocoa 24 months
Chocolate (Hershey bar)1 year from production date
Coffee, canned groundUnopened: 2 years
Opened: 1 month refrigerated
Cornmeal12 months
Cornstarch18 months
Coffee, gourmetBeans: 3 weeks in paper bag, longer in vacuum-seal bag (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Ground: 1 week in sealed container
Coffee, instantUnopened: Up to 2 years
Opened: Up to 1 month
Diet soda (and soft drinks in plastic bottles)Unopened: 3 months from "best by" date.
Opened: Doesn't spoil, but taste is affected.
Dried pasta12 months
Flour6-8 months
Jell-O 24 months
Grits12 months
Frozen dinnersUnopened: 12 to 18 months
Frozen vegetablesUnopened: 18 to 24 months
Opened: 1 month
Juice, bottled (apple or cranberry)Unopened: 8 months from production date
Opened: 7 to 10 days
KetchupUnopened: 1 year (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Opened or used: 4 to 6 months (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Maple syrup, real or imitation1 year
Maraschino cherriesUnopened: 3 to 4 years
Opened: 2 weeks at room temperature; 6 months refrigerated
MarshmallowsUnopened: 40 weeks
Opened: 3 months
MayonnaiseUnopened: Indefinitely
Opened: 2 to 3 months from “purchase by” date (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Molasses12+ months
Mustard2 years (After this time, color or flavor may be affected, but product is still generally safe to consume)
Honey Forever, if sealed well.
And Finally, for Koz
BeerUnopened: 4 months. (Like it would really sit there for 4 months

)