White rice can last indefinitely if stored properly. Brown rice has more oils and may spoil more quickly, but it’s still safe even after the expiration date.
Cereal flakes
Cereal may lose its crunchiness, but is safe to eat even several months after the expiration date if stored in a dry, airtight container.
Peanut butter
Unopened peanut butter can last up to a year past its expiration date. Opened jars can last several months if stored in the refrigerator.