This Is the Absolute Easiest Way to Clean Leeks (2024)

Step-by-step instructions for cleaning and prepping leaks. We include instructions for cleaning whole leeks and chopped leaks for soup.

By

Elise Bauer

This Is the Absolute Easiest Way to Clean Leeks (1)

Elise Bauer

Elise founded Simply Recipes in 2003 and led the site until 2019. She has an MA in Food Research from Stanford University.

Learn about Simply Recipes'Editorial Process

Updated January 25, 2024

This Is the Absolute Easiest Way to Clean Leeks (2)

20 ratings

Consider the leek.

It's majestic, a titan in the onion family.

Mostly just the white and light green parts are eaten, though the darker green parts have plenty of flavor and can either be cooked longer to tenderize them, or used when making homemade soup stock.

What Are Leeks?READ MORE:

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Leeks Are Dirty

The challenge when cooking with leeks is that they are almost always dirty. When leeks are grown, soil is piled up around them, so that more of the leek is hidden from the sun, and therefore lighter in color and more tender.

What produces a beautiful leek, a long pale body, also results in sand and dirt being lodged deep inside the leek.

Two Ways to Clean Leeks

There are basically two ways to clean leeks, the method you use depends upon how you are going to use the leeks in cooking. The easiest way is to prepare them chopped for use in soup.

A little more challenging is preparing a leek for use in a recipe that requires whole leeks. Both methods are detailed here.

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Have Leeks? Here Are Some Great Recipes to Use Them With:

  • Potato Leek Soup
  • Leeks Vinaigrette
  • Colcannon Soup
  • Foil Baked Salmon with Leeks and Bell Peppers

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How to Clean Leeks

Prep Time10 mins

Total Time10 mins

Servings2to 12 servings

Yield1to 6 cleaned leeks

Choose leeks that are about an inch thick, and have a long white to pale green shaft. The pale parts are the most useable.

Ingredients

Method

Rinse the leeks

  1. Rinse:

    Before getting started with either method, rinse the leeks under water to remove visible dirt or sand.

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    This Is the Absolute Easiest Way to Clean Leeks (7)

Preparing leeks for soup

  1. Remove the roots and slice:

    Cut off the roots of the leeks. Slice the leeks lengthwise.

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  2. Make crosswise cuts:

    Decide how much of the leek greens you want to use. They are tougher and can be stronger tasting, but soften with long cooking.

    The last couple of inches of the dark green ends should probably be discarded or saved for making stock. (I put mine in a plastic bag and drop it in the freezer.)

    Make crosswise cuts along the parts of the leek that you intend to use.

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  3. Rinse in a bowl of cold water:

    Place the chopped leeks into a bowl and fill with cold water. (If the leeks are especially dirty, rinse them first in a colander, before covering with water.) Use your hands to agitate the leeks and dislodge any dirt or sand that may be clinging to them.

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    This Is the Absolute Easiest Way to Clean Leeks (11)

    Scoop the leeks out of the water with a sieve or slotted spoon and place in a new bowl.

Cleaning and prepping whole leeks

  1. Cut from opening to ends of greens:

    Place leek on a cutting board. Insert the tip of a sharp knife about a 1/4-inch below the lowest opening in the leek.

    Cut straight through, up to and through the green ends of the leek, leaving the pale part of the leek whole.

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    This Is the Absolute Easiest Way to Clean Leeks (13)

  2. Rinse:

    Fan open the leek and place under cold running water. Rinse out any dirt or sand. If the leek is especially dirty, you may want to make another similar cut through the leek to further be able to fan the leek open.

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  3. Cut off dark green tops:

    Cut off the dark green tops of the leek, reserving on the body of the leek as much of the dark green as you want. We like the taste (it's basically just a big onion green), so we typically keep about 2 to 3 inches or so of the dark green part with the body of the leeks.

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    Discard the dark greens or save them to flavor soups or stews, or use for making stock.

  4. Cut of the root end of the leeks:

    Stay as close to the roots as possible. Cutting close to the roots will hold the leeks together when cooking them whole.

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Nutrition Facts (per serving)
6Calories
0g Fat
2g Carbs
0g Protein

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Nutrition Facts
Servings: 2to 12
Amount per serving
Calories6
% Daily Value*
Total Fat 0g0%
Saturated Fat 0g0%
Cholesterol 0mg0%
Sodium 2mg0%
Total Carbohydrate 2g1%
Dietary Fiber 0g1%
Total Sugars 0g
Protein 0g
Vitamin C 1mg4%
Calcium 6mg0%
Iron 0mg1%
Potassium 18mg0%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Nutrition information is calculated using an ingredient database and should be considered an estimate. In cases where multiple ingredient alternatives are given, the first listed is calculated for nutrition. Garnishes and optional ingredients are not included.

This Is the Absolute Easiest Way to Clean Leeks (2024)
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