How long does cooked French onion soup last in the fridge or freezer? The precise answer to that question depends to a large extent on storage conditions — refrigerate French onion soup within two hours of cooking.
To maximize the shelf life of cooked French onion soup for safety and quality, refrigerate the French onion soup promptly in covered airtight containers.
Properly stored, cooked French onion soup will last for 3 to 4 days in the refrigerator.
To further extend the shelf life of cooked French onion soup, freeze it; freeze in covered airtight containers or heavy-duty freezer bags.
How long does cooked French onion soup last in the freezer? Properly stored, it will maintain best quality for about 4 to 6 months, but will remain safe beyond that time.
The freezer time shown is for best quality only — cooked French onion soup that has been kept constantly frozen at 0° F will keep safe indefinitely.
How long does cooked French onion soup last after being frozen and thawed? Cooked French onion soup that has been thawed in the fridge can be kept for an additional 3 to 4 days in the refrigerator before cooking; French onion soup that was thawed in the microwave or in cold water should be eaten immediately.
How long can cooked French onion soup be safely left at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; cooked French onion soup should be discarded if left for more than 2 hours at room temperature.
How to tell if cooked French onion soup is bad? If cooked French onion soup develops an off odor, flavor or appearance, or if mold appears, it should be discarded.
Sources: For details about data sources used for food storage information, please