No
Don't stick that onion in the fridge! You might think that you're being resourceful. You might think you're stretching your dollars by prolonging the life of your produce (which, in a way, you kind of are). But what you're really doing is making them taste worse -- a lot worse. Onions, just like tomatoes, become soft in the fridge -- and what's an onion without its crisp bite? They also have the tendency to impart their flavor on surrounding produce. And while you might love the taste of onions, you probably don't want everything to taste like one. You refrigerate a cut onion for several reasons. One is that cutting into anything introduces bacteria, which will grow more quickly and cause spoilage faster at room temperature. When you cut the onion, you also rupture the cells, which leak moisture and cause spoilage. Again, that happens faster at room temperature. And cutting an onion releases more odor, so the smell of a cut onion at room temperature will be noticeable pretty quickly. According to the Heinz Web site, ketchup is very acidic, so it doesn't spoil easily If cutting onions ahead of time, pack them in a plastic zipper-lock freezer bag, squeezing all the air out, then enclose in a second plastic zipper-lock freezer bag, and refrigerate, to keep everything in your fridge from tasting like onions. When you need only a small portion of an onion, do not peel the whole onion.  Onions: Onions will last longer in the fridge, but not without cost. Like tomatoes, your onions will soften a bit if you put them in the fridge, and they won't be quite as crisp. Also, they'll make your other food smell like onions.  Here's a weird one. You don't have to refrigerate onions, but you do need to keep them physically separated from the potatoes. Spuds emit moisture and gases that will make your onions rot. And to be fair, a lot of the things you shouldn't put in your icebox are pretty self-evident. You shouldn't refrigerate pants (but should freeze them). You shouldn't refrigerate a live mongoose. You probably shouldn't refrigerate other refrigerators, because that's wasteful. Report Abuse. Onions, Peppers, and tomatoes that HAVE NOT been peeled, prepped, or cut in a ny way are able to stay safely outside of the refrigerator. After you have penetrated or prepped the item it should be put in the refrigerator.  It's probably the onions, and if not the onions, it's the POTATOES. He explained, onions are a huge magnet for bacteria, especially uncooked onions. You should never plan to keep a portion of a sliced onion.. He says it's not even safe if you put it in a zip-lock bag and put it in your refrigerator. A viral text circulating since April 2008 claims that raw, leftover onions are poisonous and should never be kept for re-use, even in a refrigerator, because they are a huge magnet for bacteria, supposedly, and especially prone to spoilage. Cut onions will be OK for a couple days in the fridge. If you are going to use it in cooking, chop the remainder of the onion when you first cut it up. Put it into a container … and freeze. Then, you can take out what you need as you need it.   Another answer If kept in an airtight container 7 days. Do onions need to go in fridge? It is not necessary to keep onions in the fridge-they should basically keep fine in any cool, dark place (e.g. on a rack in a cupboard). If you're like a lot of folks on the internet, you're probably tired of people, governments, and disembodied voices telling you what to do. And to be fair, a lot of the things you shouldn't put in your icebox are pretty self-evident. You shouldn't refrigerate pants (but should freeze them). You shouldn't refrigerate a live mongoose. You probably shouldn't refrigerate other refrigerators, because that's wasteful. Once cut, you should store them in the fridge, covered; they will keep for a few days. One more thing to keep in mind: never store your onions and potatoes together. Onions and potatoes can both give off gases that will cause the other to spoil faster.  Share. Onions, just like tomatoes, become soft in the fridge -- and what's an onion without its crisp bite? They also have the tendency to impart their flavor on surrounding produce. And while you might love the taste of onions, you probably don't want everything to taste like one.
http://www.huffingtonpost.com/2012/03/09/dont-refrigerate-these_n_1335168.html http://articles.baltimoresun.com/2008-01-23/news/0801220047_1_cut-onion-ketchup-temperature http://whatscookingamerica.net/onion.htm http://lifehacker.com/5849074/what-foods-dont-i-need-to-refrigerate http://refrigerators.reviewed.com/features/seriously-stop-refrigerating-these-foods https://answers.yahoo.com/question/index?qid=20090808205506AABAnQ9 http://urbanlegends.about.com/od/fooddrink/a/leftover_onions_are_poisonous.htm http://www.answers.com/Q/Do_onions_need_to_be_refrigerated http://refrigerators.reviewed.com/features/seriously-stop-refrigerating-these-foods http://www.huffingtonpost.com/2012/03/09/dont-refrigerate-these_n_1335168.html
do you refrigerate onions