An unopened box of JELL-O mix does not have an expiration date. and can be safety stored in the pantry for 3 to 4 months, according to Eat By Date. This time frame applies to both unflavored and flavored varieties.Continue Reading
Unopened containers can be stored in the refrigerator for 12 to 18 months past the printed dates.
Pre-made JELL-O that has been opened should not be kept in the refrigerator for more than 7 to 10 days. Opened dry mixes can be stored in the pantry for 3 to 4 months.
If Jell-O becomes watery and begins to separate, it should be discarded because this can be a sign that it has spoiled.Learn more about Food Spoilage
Parmesan cheese does go bad, but it can outlast the printed expiration date, according to EatByDate. Parmesan cheese kept in the refrigerator is usually good two to four months past the expiration date. When kept in the freezer, it is good for six to eight months after the expiration date.Full Answer >
Shelf life for commercial canned foods can be determined by reading the expiration date located on the can's packaging. Canned goods bought at the grocery store are best when eaten within two to five years from the date of manufacture. Food quality gradually degrades after the date of expiration.Full Answer >
An unopened packet of ketchup is OK to use for one to two years after the expiration date printed on the packet. Expiration information is labeled as a "best by" or "use by" date.Full Answer >
Feta cheese only lasts about a week after its printed expiration date in the refrigerator, and it does not freeze well, although it can be frozen for up to 6 months. Feta is a semi-soft cheese, which doesn't last as long as other cheeses.Full Answer >