^ âeucatastropheâ (US) / âeucatastropheâ (UK) in Oxford Dictionaries, Oxford University Press.
For cooked onions, you can find one answer here: http://www.stilltasty.com/fooditems/index/17825. 1  3-5 days in the refrigerator. 2  refrigerate withing 2 hours of cooking. 3  refrigerate in covered container or wrap tightly with heavy-duty aluminum foil or plastic wrap.
Tips. 1  How long does egg salad last in the fridge? The precise answer to that question depends to a large extent on storage conditions - refrigerate egg salad within two hours of preparing or purchasing. 2  To maximize the shelf life of egg salad for safety and quality, refrigerate the egg salad in airtight containers.