If you have space, consider setting up dedicated areas for produce and meat preparation, so you don’t spread germs while cooking. Avoiding cross-contamination is especially important when preparing food for storage because storing food allows bacteria time to grow.
There are also new, silicone products designed to stretch over and cover the exposed side of cut produce. Exercise caution when using these with onions. These products will not fully encase an onion, which can cause your refrigerator to smell.
Ignore any storage recommendations that suggest that cut onions can be stored at room temperature. Some common tips include storing onions in a bowl of water on a countertop. This approach only promotes bacteria growth. [4] X Research source
Store all cut onions for the same period of time regardless of variety. Even though you may find different storage recommendations for different onion varieties—such as yellow, white, red, pearl, or Vidalia—these recommendations are relevant only for whole onions, not for cut ones.
Smaller onions freeze more evenly whereas larger sections often become freezer burned.
You don’t have to blanch your onions beforehand if they’re chopped. [9] X Research source
It’s easy to forget when you put something in the freezer. Having the date written on your onion container will ensure that you don’t lose track of when you stored it.
