9. Peanut Butter
Expires in: One year (please double verify the date).* Average Price: $2–$6 per jar *
Peanut butter has a long shelf life due to its high oil content and low moisture. However, it typically expires after one year, even if stored at room temperature.

VelP, Shutterstock, Peanut Butter
Signs of expired peanut butter include a hard texture, sour taste, or lack of aroma. While it may not be harmful, consuming rancid peanut butter is unpleasant.
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