^ âeucatastropheâ (US) / âeucatastropheâ (UK) in Oxford Dictionaries, Oxford University Press.
A: Chopped or sliced onions can be stored in a sealed container in your refrigerator at the proper temperature of 40Â°F or below for 7 to 10 days (Source: USDA). For pre-cut fresh or frozen products, always use and follow manufactures use by dates.
How Long are Leftovers Good for in the Fridge? If you want the short answer, not very long at all â about 3-4 days is a good rule. Once your hot meal sits out for long enough to cool down, itâs already starting the countdown to bacteria growth. Bacteria grows more quickly at room temperature.