Expired Goods: Crucial Facts You Should Never Ignore

9. Peanut Butter

Expires in: close to 1 year (always verify the stamped date) *Average price: $2–$6 per jar* Natural oils oxidize, producing a bitter edge and faint cardboard smell when spreadable gold turns stale.

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VelP/Shutterstock © Peanut Butter Store jars upside down in a cool cupboard to slow separation, and stir well. If the paste tastes sharp or the surface looks gray, retire it to the compost.