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food safety
food waste
fridge storage
meal prep
onions
vegetable storage
onions
How long does chopped onion last in the fridge?
Chopped onion lasts 7 to 10 days in the fridge in a sealed airtight container at 40°F or below, per USDA data. Includes the full storage table, spoilage signs, and freezing tips.
Nora Ellison · Aug 2, 2026 · 5 min read
