- How long does macaroni salad last in the fridge? The precise answer to that question depends to a large extent on storage conditions - refrigerate macaroni salad within two hours of preparing or purchasing.
To maximize the shelf life of macaroni salad for safety and quality, refrigerate the macaroni salad in airtight containers.
Properly stored, macaroni salad will last for 3 to 5 days in the refrigerator.
How long can macaroni salad be left at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; macaroni salad should be discarded if left out for more than 2 hours at room temperature.
How to tell if macaroni salad is bad? If macaroni salad develops an off odor, flavor or appearance, or if mold appears, it should be discarded; do not taste first.
Sources: For details about data sources used for food storage information, please click here