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Braised Leeks

By America's Test Kitchen

Published on October 18, 2016

Time

45 minutes

Yield

Serves 4 to 6

Braised Leeks

Ingredients

3 pounds small (1-inch-diameter) leeks, white and light green parts onlySalt and pepper 6 tablespoons extra-virgin olive oil 1 cup chicken broth 1 tablespoon white wine vinegar 1 teaspoon Dijon mustard 1 small garlic clove, minced1 tablespoon chopped fresh tarragon

Before You Begin

We prefer to use leeks measuring 1 inch or less in diameter for this recipe because they’re more tender than larger leeks. Larger leeks will work, but discard their first two outer layers because they tend to be fibrous. Orienting the leeks in one direction makes them easier to transfer in and out of the skillet. When trimming the leeks, be careful to leave the root ends intact so that the layers stay together when the leeks are halved. If you don’t have a small jar with a lid, whisk the vinaigrette together in a bowl.

Instructions

  1. Trim roots from leeks, leaving ends intact so layers stay together when halved. Halve leeks lengthwise, wash thoroughly between layers to remove any dirt, and pat dry with paper towels. Season cut sides with salt and pepper.
  2. Heat 1 tablespoon oil in 12-inch nonstick skillet over medium-high heat until shimmering. Add half of leeks to skillet, with root ends pointed in same direction, and cook until browned, about 2 minutes per side. Transfer to plate. Repeat with 1 tablespoon oil and remaining leeks.
  3. Return all leeks to skillet, facing same direction. Add broth and bring to boil. Cover, reduce heat to medium-low, and simmer until leeks are tender when poked with tip of paring knife, 10 to 12 minutes. Using slotted spatula, transfer leeks to shallow serving platter, leaving braising liquid in skillet.
  4. Increase heat to medium-high and bring braising liquid to boil; cook until reduced to about 2 tablespoons, 2 to 4 minutes. Transfer braising liquid to small jar and add vinegar, mustard, garlic, remaining 1/4 cup oil, 1/4 teaspoon salt, and 1/4 teaspoon pepper. Affix lid and shake jar vigorously until vinaigrette is emulsified, about 15 seconds. Spoon vinaigrette over leeks. Sprinkle with tarragon and serve.
Braised Leeks

Braised Leeks

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By America's Test Kitchen
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Time

45 minutes

Yield

Serves 4 to 6

Ingredients

3 pounds small (1-inch-diameter) leeks, white and light green parts only
Salt and pepper
6 tablespoons extra-virgin olive oil
1 cup chicken broth
1 tablespoon white wine vinegar
1 teaspoon Dijon mustard
1 small garlic clove, minced
1 tablespoon chopped fresh tarragon

Test Kitchen Techniques

Ingredients

3 pounds small (1-inch-diameter) leeks, white and light green parts only
Salt and pepper
6 tablespoons extra-virgin olive oil
1 cup chicken broth
1 tablespoon white wine vinegar
1 teaspoon Dijon mustard
1 small garlic clove, minced
1 tablespoon chopped fresh tarragon

Test Kitchen Techniques

Ingredients

3 pounds small (1-inch-diameter) leeks, white and light green parts only
Salt and pepper
6 tablespoons extra-virgin olive oil
1 cup chicken broth
1 tablespoon white wine vinegar
1 teaspoon Dijon mustard
1 small garlic clove, minced
1 tablespoon chopped fresh tarragon

Test Kitchen Techniques

Why This Recipe Works

We prepared leeks for our braised leek recipe by trimming the roots (yet leaving the root ends intact) and halving the leeks lengthwise. Browning the leeks before adding the braising liquid yielded deep flavor. Whipping up a simple dressing of white wine vinegar, Dijon mustard, garlic, and olive oil was a good step toward enhancing the leeks. But we found that adding back some of the leek braising liquid gave the dressing even more complexity. A sprinkling of tarragon at the end brightened the dish.

Before You Begin

We prefer to use leeks measuring 1 inch or less in diameter for this recipe because they’re more tender than larger leeks. Larger leeks will work, but discard their first two outer layers because they tend to be fibrous. Orienting the leeks in one direction makes them easier to transfer in and out of the skillet. When trimming the leeks, be careful to leave the root ends intact so that the layers stay together when the leeks are halved. If you don’t have a small jar with a lid, whisk the vinaigrette together in a bowl.

Instructions

  1. Trim roots from leeks, leaving ends intact so layers stay together when halved. Halve leeks lengthwise, wash thoroughly between layers to remove any dirt, and pat dry with paper towels. Season cut sides with salt and pepper.
  2. Heat 1 tablespoon oil in 12-inch nonstick skillet over medium-high heat until shimmering. Add half of leeks to skillet, with root ends pointed in same direction, and cook until browned, about 2 minutes per side. Transfer to plate. Repeat with 1 tablespoon oil and remaining leeks.
  3. Return all leeks to skillet, facing same direction. Add broth and bring to boil. Cover, reduce heat to medium-low, and simmer until leeks are tender when poked with tip of paring knife, 10 to 12 minutes. Using slotted spatula, transfer leeks to shallow serving platter, leaving braising liquid in skillet.
  4. Increase heat to medium-high and bring braising liquid to boil; cook until reduced to about 2 tablespoons, 2 to 4 minutes. Transfer braising liquid to small jar and add vinegar, mustard, garlic, remaining 1/4 cup oil, 1/4 teaspoon salt, and 1/4 teaspoon pepper. Affix lid and shake jar vigorously until vinaigrette is emulsified, about 15 seconds. Spoon vinaigrette over leeks. Sprinkle with tarragon and serve.

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