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Leeks in Vinaigrette With Walnuts and Tarragon

Leeks in Vinaigrette with Walnuts and Tarragon recipe

Cutting the leeks into rounds is an update on the classic presentation—and makes them easier to serve to a crowd.

Ingredients

8 servings

1

cup walnuts

½

cup extra-virgin olive oil

Kosher salt

6

large leeks, tough outer layer removed

1

garlic clove, finely grated

¼

cup white wine vinegar

1

tablespoon plus 1 teaspoon Dijon mustard

1

tablespoon plus 1 teaspoon whole grain mustard

cup coarsely chopped tarragon

Freshly ground black pepper

Preparation

  1. Step 1

    Preheat oven to 350°. Toast walnuts on a rimmed baking sheet, tossing once, until golden brown, 6–8 minutes. Let cool, then coarsely chop. Transfer to a small bowl and toss with oil; season with salt.

    Step 2

    Trim root ends of leeks and 1" from the dark green tops. Cut leeks into ½"-thick rounds (the dark green parts won’t be rounds, but that’s okay). Rinse well.

    Step 3

    Cook leeks in a large pot of boiling salted water until meltingly tender, 12–15 minutes. Transfer to a bowl of ice water to stop the cooking. Drain and pat dry.

    Step 4

    Whisk garlic, vinegar, and Dijon and whole grain mustards in a small bowl; season vinaigrette with salt.

    Step 5

    Arrange leeks on a platter; drizzle with vinaigrette and let sit at least 10 minutes (the longer, the better).

    Step 6

    Just before serving, scatter walnut mixture over leeks and top with tarragon and lots of pepper.

    Step 7

    Do Ahead: Leeks (without walnut mixture and tarragon) can be marinated 1 day ahead. Cover and chill. Bring to room temperature before serving.

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  • I made this exactly as written but we weren't happy with it. The leeks were very, silky soft; I wouldn't boil for quite so long next time. The acidity was too high with all the vinegar and mustards and I did use all the oil. Don't leave out the fresh tarragon as it marries nicely with these flavors. I thought it was much better cold on top of a bed of baby spinach. I would not make again as written.

    • Erin M.

    • Central NH

    • 12/5/2022

  • great recipe - easy to follow and delicious.

    • Robin

    • Bethesda, Maryland

    • 5/7/2022

  • We didn’t have tarragon but this was still really yummy. I added toasted pumpkin seeds, boiled the leeks only briefly and did not add more than a swirl of olive oil. Now that I’m writing, I see that I just used the recipe for a baseline. It’s a great recipe (at least the way I did it) for leeks and works for vegans as an added bonus!

    • Beck Stan

    • Seattle

    • 11/2/2021

  • This recipe was fairly easy to follow but the taste / texture were a little too adventurous for me. I made this for our family Thanksgiving last year and I was the only person who ate it.

    • Anonymous

    • Dallas

    • 10/28/2019

  • I pity tha fools who don't appreciate this recipe. I made it last Christmas and am making it again for Thanksgiving this year. And yes I followed the recipe as written. Silky smooth leeks bathing in a lipsmacking sauce. Back that thang up to the dinner table, I'm ready to eat!

    • MrLapsangSouchong

    • The 80s

    • 11/21/2018

  • This recipe needs some major editing. Flavor wise it worked for me, but I basically disregarded much of the instructions. Walnuts simply need to be toasted over medium-low heat on a skillet with a teaspoon of olive oil or a small pat of butter. The leeks should be blanched for no more than two minutes at most. And the “vinaigrette” described here needs that evoo. I’m guessing this was just a mistake, omitting that.

    • Anonymous

    • 11/24/2017

  • Followed recipe to the word. The leeks are like mush, no amount of patting dry will fix how they turned out. I can't imagine adding 1/2 a cup of olive oil to these soggy leeks. Don't bother trying this recipe, it is seriously flawed.

    • Anonymous

    • 11/23/2017

  • Agreed-- this does not make sense as written regarding the oil.

    • Anonymous

    • 11/22/2017

  • Is this recipe right? Toss walnuts in 1/2 cup oil and add just before serving? No oil in the vinaigrette when marinating? That doesn’t seem right. I’m a little afraid to try it as is.

    • KScooks

    • Chicago

    • 11/22/2017