Expired Products: What You Need to Know

9. Peanut Butter

Expires in: One year (please double verify the date). * Average Price: $2–$6 per jar * Rich, creamy peanut butter keeps well at room temperature for months without going rancid. Although peanut butter keeps fresh for a long time due to its high oil content and low moisture content, you should still pay attention to the canister's expiration date.

VelP, Shutterstock, Peanut Butter After a year, peanut butter can become rancid and lose its flavor. A lack of aroma, a hard, dry texture, and an unpleasant or sour taste are indicators that the peanut butter has gone bad. You won't want to eat rancid food after its expiration date because of its awful taste and smell, even though it won't necessarily make you fatally ill.