How to Clean and Slice Leeks (2024)

by Tori Avey 53 Comments

In this tutorial, I’ll walk you through how to clean and slice leeks. Often leeks will have dirt and debris caught in the inner layers of the vegetable. This easy method will allow you to clean the leeks and slice them into rings or thin strips, julienne style. I’ve also provided a little leek history, for those who are curious about this onion-like vegetable!

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History of Leeks

Leeks are members of the onion family. Classical Romans and Greeks were very fond of leeks. Roman Emperor Nero earned the nickname Porrophagus, or “leek eater,” after he took to eating them in large quantities in order to improve his singing voice. The Greeks and Romans praised leeks, while deeming garlic and onions fit only for the less fortunate.

The ancient Roman cookbook Apicius includes four individual recipes for leeks, while only calling for garlic and onions in small quantities as flavorings.Today onion and garlic are a building block in most savory recipes, whereas leeks are not nearly as common. Times have certainly changed!

Some historians believe that the Romans introduced leeks to Britain and eventually Wales. An old tale claims that the Welsh, who made leeks their “national emblem,” tucked raw leeks into their hats during the 7th century Battle of Heathfield so that the soldiers could easily distinguish between their allies and enemies. Did the Welsh triumph over the Saxons due to their own strength, or because the powerful odor of raw leeks helped them to know friend from foe? We may never know.

What we do know is how to prepare leeks for use in recipes! The challenge with leeks is the dirt and debris that gets caught inside their many layers and leaves. There is a simple solution to getting all of that dirt out and slicing your leeks for cooking. All you need is a sharp knife, a bowl of water, and a colander. Here’s how!

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Colander

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How to Clean and Slice Leeks

Learn to clean and slice leeks. Easily remove dirt and debris from the inner layers, then slice into rings or thin strips, julienne cut. Easy photo and video tutorial.

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Kosher Key: Parve

Servings: 1 servings

Prep Time: 5 minutes minutes

Cook Time: 5 minutes minutes

Total Time: 10 minutes minutes

Ingredients

  • Whole leeks
  • Sharp kitchen knife
  • Large bowl of cold water
  • Colander

NOTES

Recipe nutrition calculated using 1 whole leek.

Instructions

  • Thoroughly rinse your leeks and pat dry with a paper towel.

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  • With a sharp knife, remove the dark green leaf end and discard or save for soup or stew stock.

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  • Thinly slice the leek into rings and discard the root end.

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  • Submerge the sliced leeks in a bowl of cold water. Give them a gentle stir or shake to remove any soil or grit between the layers.

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  • Allow the leeks to sit in the water for a few minutes. Then scoop them into a colander using your hands or a slotted spoon. This ensures that you aren’t dumping the rinse water back onto the leeks.

    Now you have clean, sliced leeks that are ready to be used.

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  • Alternatively, if you prefer, you can slice your leeks into thin strips, julienne cut. First removing the dark green leaf ends and the root ends. Discard or reserve these for soup or stew stocks.

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  • Then, slice each leek in half from top to bottom.

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  • Slice the halves into thin strips. Then rinse in a bowl of water the same way you would with the rings, scooping them into a colander to drain.

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  • There you have it! Clean, sliced leeks that can be used in a variety of recipes.

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Nutrition

Nutrition Facts

How to Clean and Slice Leeks

Amount Per Serving

Calories 54Calories from Fat 9

% Daily Value*

Fat 1g2%

Saturated Fat 1g6%

Sodium 18mg1%

Potassium 160mg5%

Carbohydrates 13g4%

Fiber 2g8%

Sugar 3g3%

Protein 1g2%

Vitamin A 1484IU30%

Vitamin C 11mg13%

Calcium 53mg5%

Iron 2mg11%

* Percent Daily Values are based on a 2000 calorie diet.

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tried this recipe?
Let us know in the comments!

Research Sources:

Davidson, Alan.The Oxford Companion to Food. Oxford: Oxford UP, 1999. Print.

Rupp, Rebecca.How Carrots Won the Trojan War: Curious (but True) Stories of Common Vegetables. North Adams, MA: Storey Pub., 2011. Print.

Nutritional information should be considered an estimate only; please consult a registered dietician, nutritionist, or your physician for specific health-related questions. Read more here. Please note that the recipe above is published using a recipe card plugin, with preexisting software which can auto-calculate metric measurements, as well as change the number of servings. Metric conversions and changes to the number of servings (resulting in different ingredient amounts) will only appear in the ingredient list, and are not changed within the step-by-step directions of the recipe.

How to Clean and Slice Leeks (13)

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How to Clean and Slice Leeks (2024)

FAQs

Which part of leek do you use? ›

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.

Do you eat the dark part of a leek? ›

The most edible parts of leeks are the bottom white and light green parts because they are tender and have the most flavor. The dark green parts are technically edible but to a lesser extent because they are quite tough. If you do want to eat the dark green parts, be sure to saute them well so they soften.

Why do you soak leeks in water? ›

However, washing leeks is particularly essential because they get LOTS of dirt and grit stuck in them during the growing process. Fortunately, a quick slice and swish in a bowl of water easily helps all that dirt fall out of your leeks and into the bottom of the bowl.

Why don't you use the green part of leeks? ›

The common wisdom is that leek greens are so tough, they should only be used to make stock. I agree that leek greens are great to throw into stock, but that's far from their only use. Yes, the fact is that they are tough.

Is any part of a leek poisonous? ›

The edible portions of the leek are the white base of the leaves (above the roots and stem base), the light green parts, and to a lesser extent, the dark green parts of the leaves.

Are leeks healthier than onions? ›

Leeks contain high amounts of vitamin C compared to onions. Leeks also contain vitamin A, while onions do not. In 100 grams of onion there are 40 calories, 1.1 grams of protein, 0.1 grams of fat.

Why do you only use the white part of leeks? ›

Many recipes for leek soup call for just the white part of the leek, probably to keep the soup a paler colour, but the greens have just as much, if not more, flavour, and colour the soup a brilliant light green.

How does Gordon Ramsay cook leeks? ›

Season leeks with soy, maple, sesame oil, and mirin. Top with sliced garlic and a few knobs of butter around the outside of the pan. Add just enough stock to cover leeks halfway, bring to a boil and pop into over to roast until caramelized and tender when pierced with a knife.

How long should leeks be cooked? ›

To cook: Leeks can be boiled, braised or steamed. Sliced leeks should be cooked for 5-7 minutes until tender but still firm. Whole small leeks should be cooked for 10-15 minutes until tender but still firm, top with a cheese sauce and then brown under a preheated grill for 5 minutes or until golden.

What are the side effects of eating leeks? ›

Risks of Eating Leeks

People who are sensitive to FODMAPs may experience digestive symptoms, such as bloating, diarrhea, and gas after consuming high-FODMAP foods.

When should you not eat leeks? ›

The dark green tops of leeks should look fresh. Avoid leeks with yellowing or wilting tops.

Should I cut the tops off my leeks? ›

Most people automatically cut off and discard the. tops of leeks, but the darker green leaves just need a. little extra cooking time.

Why is it important to clean leeks? ›

Before cooking, it's important to thoroughly wash leeks as dirt and grit often gets trapped between the layers of leaves as they grow.

How much of a leek is edible? ›

While the whole leek is edible, primarily just the white and light green portions are used. The top leafy part is tougher to eat but still has flavor. If your recipe doesn't use the leek's dark green tops, save them for homemade veggie stock.

When should you wash leeks? ›

However you cook them, they will need to be cleaned. Since leeks are grown in sandy soil, they often have a little sand or dirt tucked in between the layers. Don't worry though, it is easy to remove.

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