Food EditionCookFrenchSideChoosing and Cleaning Leeks
10 minEasyServes 4
French · Side

Choosing and Cleaning Leeks

Leeks are a patient ingredient that require a little extra attention before they hit the pan. Because they grow in sandy soil, they hold onto earth deep inside their tightly packed layers, making a thorough rinse the most important step in your preparation.

Total time
10 min
Hands-on
10 min
Serves
4
Difficulty
Easy
Before you start

Look for the white-to-green ratio.

Aim for leeks with a long, white shaft, as this is the tender part you will use most. Avoid any stalks that feel hollow, spongy, or show yellowing at the base.

  • sharp chef's knife
  • large cutting board
  • colander
Ingredients

What goes in.

  • 4 largefresh leeks
The key technique

Rinsing in layers

Never submerge a whole leek and assume it is clean. You must open the layers physically to allow water to carry away the sand trapped near the root and center.

Step by step

The method.

  1. Trim the ends

    Cut off the dark, tough green tops and the hairy root base. Leave about an inch of the light green part.

  2. Split the stalks

    Place the leek on your board and slice it vertically from the root end up through the top. This exposes the interior layers.

  3. Flush the dirt

    Hold the leek under cold, high-pressure running water. Use your thumb to peel back the layers and guide the water through the center, fanning the leaves until the water runs clear.

  4. Chop

    Place the cleaned halves flat-side down on your board and slice crosswise to your desired thickness.

Tips & troubleshooting

When it doesn't go to plan.

Tip

Save the dark green tops in a freezer bag to add depth to your next batch of homemade vegetable or chicken stock.

Tip

If your leeks are particularly sandy, submerge the chopped pieces in a bowl of cold water and agitate them, then scoop them out with a slotted spoon to leave the grit at the bottom.

Tip

Store leeks unwashed in the crisper drawer of your refrigerator; they will keep for about a week.

Questions

The ones that keep coming up.

Can I eat the dark green parts?

They are edible but much tougher and more fibrous than the white and light green sections. They are best reserved for long-simmering stocks rather than sautéing.

Why do my leeks have dirt in the center?

Leeks are typically 'hilled' with dirt as they grow to keep the lower portion white and tender. This process naturally pushes soil between the developing leaves.

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