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.Know More
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
Unpopped popcorn does not typically have an expiration date. Instead, manufacturers usually stamp it with a "best by" date to indicate the date on which freshness can start to deteriorate.Full Answer >
According to Dr. James Jay, a food biologist at the University of Nevada, Las Vegas, most foods can be safely eaten beyond the expiration date without making a person sick. The exceptions to this are meats, poultry, fresh foods that are perishable and infant formula, which is regulated by the government.Full Answer >
Unopened, commercially produced mayonnaise is almost indefinitely shelf stable. Once opened and refrigerated, it may remain safe to consume for two to three months beyond its "purchase by" date. Its color and flavor, however, may degrade and become unpalatable.Full Answer >
Commercially packaged lard should last for one year in a pantry, according to Still Tasty. Opened or unopened, the shelf life remains the same. Storing lard in a cool, dry environment yields the best results.Full Answer >