Food

Beer

Unopened: 4 months.

Brown sugar

Indefinite shelf life, stored in a moistureproof container in a cool, dry place.

Chocolate (Hershey bar)

1 year from production date

Coffee, canned ground

Unopened: 2 years
Opened: 1 month refrigerated

Coffee, gourmet

Beans: 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, instant

Unopened: 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 pasta

12 months

Frozen dinners

Unopened: 12 to 18 months

Frozen vegetables

Unopened: 18 to 24 months
Opened: 1 month

Honey

Indefinite shelf life

Juice, bottled (apple or cranberry)

Unopened: 8 months from production date
Opened: 7 to 10 days

Ketchup

Unopened: 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 imitation

1 year

Maraschino cherries

Unopened: 3 to 4 years
Opened: 2 weeks at room temperature; 6 months refrigerated

Marshmallows

Unopened: 40 weeks
Opened: 3 months

Mayonnaise

Unopened: 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.)

Mustard

2 years (After this time, color or flavor may be affected, but product is still generally safe to consume.)