
How long do leftovers last?
The USDA guidance on leftovers, and how glass containers help you follow it.
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The key numbers, from USDA and FDA
- Refrigerate within 2 hours of cooking, or within 1 hour if the temperature is above 90 °F.
- Refrigerator: 3 to 4 days for leftovers.
- Freezer: 3 to 4 months for best quality. Frozen food stays safe indefinitely, but loses moisture and flavor over time.
- Refrigerator at 40 °F or below. Freezer at 0 °F.
- Reheat to 165 °F, checked with a food thermometer.
Cool quickly
USDA advises dividing large amounts into shallow containers so food cools fast. Hot food can go straight into the refrigerator.
Store well
USDA advises covering leftovers or sealing them in storage containers to keep bacteria out, keep moisture in, and keep odors from spreading.
Label and date
Write the date on each container so you know when it reaches the 3 to 4 day mark.
Thawing
Safe ways to thaw leftovers, per USDA: refrigerator, cold water, or microwave. After thawing in the refrigerator, use within 3 to 4 days.
Sources: USDA FSIS, Leftovers and Food Safety; FDA, Are You Storing Food Safely?

FAQ
General information only. Follow the maker's instructions for oven, microwave, freezer, and dishwasher use. Glass can crack or break from sudden temperature changes or impact. For food safety, follow USDA and FDA guidance.
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