I don't throw away any part of an onion-- I do keep them refrigerated after cutting and have never had a problem. I think a lot of these scare messages are not to be believed.
Originally Posted by
true4uca
[QdoUOTE=quiltingcandy;7671525]I doubt that an onion would cause a problem - there are eggs and oil in mayonnaise which is much more likely to go bad if it gets warm. There are preservatives in mayo.
Does this mean when I use only half an onion I don!t need to toss the other half. That's what I always do as I only buy those white onions and around here those are at least baseball sized.[/QUOTE]