Certain foods like real honey which has many health benefits, salt, sugar or even vinegar never expire and can be kept forever.
Foods that do not expire, except in certain cases:
Cans, rice, pasta, cornstarch, flour, cereals or even dried vegetables can remain intact well after the marked expiration date on the packaging. However, these products can be infested with food moths and undergo spoilage.
Foods that can be consumed after the expiration date
Mustard, ketchup, pickles or even spices can be stored and consumed well after the expiration date. In reality, the expiration dates of these foods may have passed. However, their taste can change over time.
Other foods that can be consumed after the expiration date include dairy products such as crème fraîche, cheese, milk and yogurt. These, if unopened, can be consumed one to two weeks after the date mentioned.