On Fri, 19 Oct 2007 06:28:36 -0700, Sheldon > wrote:

>On Oct 19, 12:14?am, "Julie Bove" > wrote:
>> "Sheldon" > wrote in message
>>
>> oups.com...
>>
>> > On Oct 18, 9:52?pm, Terry > wrote:
>> >> After chopping up onions, I tried storing the left over in a clear
>> >> Tupperware bowl and a lid.
>>
>> >> After a day in the fridge they seem to have a stronger taste? Can
>> >> this be avoided?
>>
>> > You can freeze chopped onions, or better still don't chop more than
>> > you need. I buy onions in various sizes, so if all I want is some
>> > small amount I choose one that's of the appropriate size so there are
>> > no left overs. Once they're cut onions deteriorate very rapidly, I
>> > don't want stinky onions around nor would I use them anyway... I
>> > haven't wrapped a part of an onion in some 40 years. In warn weather
>> > when I know I'll be using onion for salads I tend to buy bunches of
>> > spring onions, one is just right for an individual salad.
>>
>> If you have say, a half of an onion that you've used, you can butter the cut
>> part and put it in the fridge, wrapped in plastic. Margarine works well for
>> this too. Seals off the stink. Of course then you have a greasy onion left
>> and if you're not making something that has butter in it, you'll need to
>> re-cut it for the next use.
>
>I don't think that will prevent the deterioration, it's an extra step
>and they will still stink, otherwise you wouldn't be using plastic
>wrap. But most importantly that is a very poor food handling
>practice. comes under the do not store onions in oil doctrine....
>preventing exposure to air increases the multiplying rate of botulin
>many fold... as a health matter it is not a good idea to store cut raw
>onion by any air excluding means. If a health inspector found a
>restaurant storing cut raw onions in plastic wrap they will be cited.
>
>Sheldon

I store half cut onions in plastic wrap all the time. I like raw
onions on hot dogs and a couple of other things, and I don't really
notice the change in taste.

Chopped ones in plastic containers don't work for sure.

Thanks for all the suggestions.