red onion salad dressing

My mom is the one to thank for this refreshing salad dressing. She brought me a jar and when it was gone in a week, I asked for the recipe. This recipe is easy to tweak to make it your own. I added garlic, because, why not? And you can adjust the spices to your taste to make it your own.
Use it over your favorite salad or dip fresh veggies in it for a snack. See how long it lasts in your fridge.
red onion salad dressing

red onion salad dressing


  • 1 medium red onion, rough chop
  • 1 glove garlic, minced
  • 1/2 cup sugar
  • 1/2 teaspoon salt
  • 1 / 2 teaspoon fresh ground pepper
  • 1 teaspoon celery seed
  • 3 teaspoons dijon mustard
  • 1 / 3 cup vinegar
  • 3/4 cup oil (vegetable or olive oil)


  1. Combine all ingredients in a food processor and process until desired texture is achieved.


Alternative: If you don't have a blender or food processor: Finely mince the red onion. Whisk all ingredients together in a large bowl.
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35 Responses to “red onion salad dressing”

  1. Jennifer
    March 29, 2013 at 8:34 pm #

    I just made this dressing. It came out much more pink than your picture, but color doesn’t matter when it tastes this YUMMY! It was a bit too sweet for me so I added a bit more salt and garlic. It’s just devine. Thank you so much for this recipe!

    • daisi
      April 8, 2013 at 7:54 am #

      You’re so welcome – I’m glad you enjoyed it!

  2. April 2, 2013 at 11:21 pm #

    This looks like a delicious dressing for salad and even a super marinade for chicken, thanks for the recipe I will be trying it soon.

    • daisi
      April 8, 2013 at 7:53 am #

      I love the idea of using it as a marinade – let me know how it turns out!

  3. P J
    April 11, 2013 at 7:10 am #

    Is this white vinegar or cider vinegar?

    • daisi
      April 11, 2013 at 8:04 am #

      I think either would work – I used white vinegar but I think cider vinegar would be a good substitute!

      • Karen
        May 11, 2014 at 7:52 am #

        I used red wine vinegar, and this dressing is my new favorite. I may never buy store-bought again.

        • daisi
          July 23, 2014 at 7:41 am #

          Glad you like it, it’s definitely my favorite!

  4. ~patti
    April 14, 2013 at 1:27 pm #

    Found this on Pinterest and it sounds so nummy. I going to make a broccoli salad and am going to try it using mayo instead of oil.

    • daisi
      April 15, 2013 at 2:24 pm #

      Let me know how it turns out!

      • ~patti
        April 16, 2013 at 4:43 pm #

        This dressing is AMAZING!! I love it. I made it with the mayo and red wine vinegar. I think the mustard gives it that little bit of oomph. Definitely a keeper!!!

        • daisi
          April 23, 2013 at 9:26 am #

          I’m so glad you enjoyed it! It’s definitely a must-have in our fridge!

  5. sarah
    May 26, 2013 at 11:56 pm #

    What kind of oil works best for this dressing?

    • daisi
      June 5, 2013 at 7:32 am #

      You can use any type of oil – I think olive oil or vegetable oil would be best.

  6. Erin C.
    June 3, 2013 at 2:40 pm #

    i made this last week [found it on pinterest too] and it’s my new favorite dressing. i think i cut the sugar down to a quarter cup [since i don’t like things too sweet] and it’s just amazing. also, have to say, onmce it was blended it looked like some sort of strawberry popsicle mixture…very pretty actually…and it does not seem to separate too easily either. =)

    • daisi
      June 5, 2013 at 7:30 am #

      I’m so glad you liked it!! It is one of my absolute favorites too.

  7. Mandy
    June 4, 2013 at 6:00 pm #

    What type of oil did you use? Can’t wait to try this!

    • daisi
      June 5, 2013 at 7:32 am #

      You can use any type of oil – I think olive oil or vegetable oil would be best.

  8. Ben
    July 25, 2013 at 11:29 am #

    Does this yield about 2 cups? Looks delish!

    • daisi
      August 9, 2013 at 6:39 am #

      Yes approximately 2 cups – it is very yummy!

  9. nikki
    August 1, 2013 at 1:47 pm #

    Do you think it would work if i substituted honey for the sugar?

    • daisi
      August 9, 2013 at 6:39 am #

      I’m sure it would work – let me know if you try it!

  10. Lisa
    August 18, 2013 at 4:42 pm #

    Just made it & it’s good. I cut the sugar in half.

    • daisi
      August 24, 2013 at 9:02 am #

      I will have to try it with half the sugar – thanks for the tip! Glad you liked it!

  11. Susan
    December 16, 2013 at 12:29 pm #

    I found this recipe online after having most of a chopped red onion left over. (condiments to top a huge batch of chili for a holiday party).

    Not being a fan of sweet salad dressings, I figured I would be very sparing of the sugar. I stopped after 1 tablespoon. Of course, I didn’t have celery seed on hand, either, so I don’t know if the sugar is necessary to balance the celery seed flavor.

  12. Susan
    December 16, 2013 at 12:39 pm #

    Okay. We found the celery seed in the far corner of the spice cabinet. Added that, and yes, the dressing took a second tablespoon of sugar.

    So, to conclude, for the not-sweet peeps: the recipe works with just 2 T sugar, as well.

    • daisi
      December 16, 2013 at 1:55 pm #

      Thank you for trying it and for the feedback on the sugar!

  13. Vicki
    February 2, 2014 at 12:05 pm #

    I would love a calorie ct. And a fat count. I thought I would try cutting the sugar a bit to make it more healthy. ?????? What are your thoughts??

    • daisi
      February 13, 2014 at 8:41 am #

      I’m sorry Vicki – I don’t have a calorie or fat count available. I believe other people have had success with cutting the sugar in half, start there and add as needed for taste – hope this helps!

  14. Rana
    February 12, 2014 at 9:21 pm #

    Reall good but way to much onion I put less than half and my eyes were burning for hours so put like 1/4 onion a suggestion drizzle the olive oil slowly while the food processor is on makes it creamy/emulsified :)

  15. March 7, 2014 at 1:59 pm #

    Daisi wanted to leave you feedback…..excellent….I found this recipe on Pinterest. I love it……. I was looking for an onion dressing and something lower calorie… So I did substitute the sugar with Truvia, ¼ Cup of Truvia and ¼ onions the second time I made it. I have lost count how many times I have made this now. I love that I can make it and store it all in the same jar. I dice the onions very small and add all the ingredients to the jar and shake, shake, shake.
    I love that it makes just two cups and when I use it up I can make more….. fresh is best NOT that bottled stuff with all the preservatives. I am going to try it as a marinade next.
    BRAVO FOR THIS ONE. TY DAISI this dressing it has helped me eat my salad every day. Wish I could share a picture of my salad it is pretty with your dressing recipe….

    • daisi
      March 21, 2014 at 7:38 am #

      I wish you could share your pics too!! Let me know if it is just as good as a marinade, I’d love to give it a try! You made my day with your comment :)

    • daisi
      July 23, 2014 at 7:41 am #

      Thank you so much for the comment – made my day!


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