Okay, most of us should have food stored away as part of our emergency preparedness. Keep in mind that only specially prepared products like camping meals, MREs and true emergency rations have multi-year expiration dates. That means those cans of beans, boxes of oatmeal and jars of peanut butter all have varying shelf lives.
This website lists expected shelf life for a wide variety of goods and is a great reference for folks maintaining their supplies. Here is what the page looks like:
A Blog for the Peninsula CERT Community 