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Sep 21, 2007 03:14 PM

Best onions for onion soup?

I have a wonderful sounding recipe for onion soup but it doesn't state what kind of onions to use. What are the BEST onions to use in onion soup? I live in Southern California and have access to everything. Thanks!

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  1. I tend to use standard yellow onions. Vidalia's /Texas 1015's are nice, but you may find they are overly sweet. I don't like to use red or whites onions but they will work in a pinch.

    The secret to great onion soup is a lot of onions (1/2+ lb per person) and taking the time to caramelize them.

    2 Replies
    1. re: Kelli2006

      I agree, I use the standard yellow ones myself and pick huge ones, easier to slice. Yeap the long slow browning to get that rich caramelizing is key.

      And use a good stock too. Sad to take so much trouble in doing the onions to ruin it with bad stock.

      1. re: Kelli2006

        AGreed on the lots of onions and the caramelization. I use red, white and yellow, though. About an even mix, or more of one kind if I need to use some up!

      2. Vidalias, Mauis, Walla Wallas and all the other speciality onions lose almost all of their sweetness differential when cooked. there's no need to pay the extra fare for them. regular yellows are just as good. just cook them till they're good and brown and use good stock.

        1 Reply
        1. re: chazzerking

          We used to grow Walla-Wallas and found them a disaster in onion soup: by the time you caramelized a lot of them the results were so sweet as to be unpalatable. I'd definitely go with regular yellow onions.

        2. I prefer large whites, Spanish, or the largest yellows I can find. Red/purple onions sounds weird - between the pigments and the texture, I just don't think so. If I have them, I throw in a fair, if small, proportion of shallots, though not until the onions have started to soften - they're drier and tend to brown-in-a-bad-way

          1. Large, yellow onions. Maybe add one sweet onion to the mix. Cook low and slow in a mix of butter and olive oil.

            1 Reply
            1. re: Pampatz

              Another vote for regular large yellow onions. Of course, never use red/purple onions in soup. Once in a pinch I called a neighbor for an onion - for soup (though not onion soup). When I was offered red and hesitated, I was met with disbelief. Would anyone ever use a red onion for any kind of soup?

            2. Large yellow or Spanish onions work the best, IMO.

              1 Reply
              1. re: C. Hamster

                I agree. I think there's a growing concensus here. ;-)