Thanks for the FeedBAck on my question!
[QUOTE=Glenview;1117007]Cutting the onion releases the oils. If you just cut off the portion you are using and wrap the leftover snugly in plastic wrap, it is fine to use another day. If you chop the onion to use later, you should blanch or sauté the chopped pieces, or the volatile oils released by chopping will change and become bitter. I used to know the science behind it all, but now I just know the rules. Oh, and don't peel the portion you are saving for later.[/QUOTE]
To Glenview and Breadsauce and the Rest: Thanks for those insights. Having just started eating this way about 3 months ago, it is helpful to get some good feedback on some of the stuff you hear. I love onions with my salads and with just about any grilled vegetable. Glad to hear that I don't have to throw the other half away every time I cut one open!