Expired Goods: Crucial Facts You Should Never Ignore

13. Oats

Good for: 6 months to 3 years Average cost: $3–$8* Whole rolled oats contain natural oils that can go rancid, while instant packets absorb moisture through their paper sleeves.

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Sea Wave/Shutterstock © Oats Keep oats in an airtight jar, sniff for any musty scent, and toast older grains before cooking to revive nuttiness.