How to Store, Prepare & Cook Leeks (2024)

A relative of garlic and onion, leeks have a mild sweet flavour when cooked. Raw leeks have an overpowering flavour and are very rarely eaten. Small to medium sized leeks are the most tender. Look for leeks that have a firm white bulb and bright green leaves.

Uses: Small leeks are suitable to serve whole as a vegetable accompaniment such as leeks in a cheese sauce. Larger leeks are ideal for chopping and adding to casseroles, soups, pies and flans. Leeks combine particularly well with potatoes and other root vegetables such as swede or carrots, either in soups or in pie fillings. Leeks and crumbly white cheese such as Cheshire or Caerphilly are often a popular combination in cooked dishes.

To store: Wrap in a plastic bag (to prevent their strong odour flavouring other foods) and keep in the bottom of the fridge or in a cool, dark place for up to 1 week.
To prepare: Leeks need to be washed very thoroughly before cooking as mud and grit can penetrate between the layers of the flesh. Trim off the roots and any tough green leaves and halve lengthways, rinse under cold running water until all traces of soil have been removed then cut into lengths or rings as desired.

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.

How to Store, Prepare & Cook Leeks (2024)

FAQs

How to Store, Prepare & Cook Leeks? ›

Therefore, wrap leeks in plastic when storing in the refrigerator. Do not trim or wash before storing. Leeks will last up to two weeks in the refrigerator if they are purchased fresh. Once cooked, leeks can be kept in the refrigerator and used within two days.

How do you store prepared leeks? ›

Leeks and crumbly white cheese such as Cheshire or Caerphilly are often a popular combination in cooked dishes. To store: Wrap in a plastic bag (to prevent their strong odour flavouring other foods) and keep in the bottom of the fridge or in a cool, dark place for up to 1 week.

Can you prep leeks ahead of time? ›

Transfer the cut leeks into a large bowl of clean water. Then break them up with your fingers so that any small hidden pieces of dirt can dislodge. Rinse and drain the leeks one final time. Use immediately, or transfer to a sealed container and refrigerate for up to 3 days.

Can I freeze fresh leeks? ›

Yes, but they should be blanched before freezing to kill bacteria. Clean the leeks and then slice them. Bring a pot of water to a boil and then quickly blanch them (submerge in boiling water for 30-40 seconds). Let them drip dry in a colander to remove most of the water.

Do you have to wash leeks before cooking? ›

Leeks are washed before and after cutting. Dirt and sand get between all the layers of the leek. Rinse at the start to get the dirt off the exterior. Rinse again after you cut leeks, so you can really get between all the layers better.

How to keep leeks fresh after cutting? ›

If not using cleaned leeks right away, store the chopped leeks in a paper towel-lined container with a tight fitting lid. Alternatively, you can keep them in a Ziploc bag, wrapped inside a paper towel. It's important to keep the leeks dry, as moisture is the enemy of keeping them crisp.

Do you fry or boil leeks? ›

You can cook leeks by poaching them in chicken broth, pan-frying them in a little oil, or boiling them until tender, or you can include the leeks in a variety of other recipes.

Can you overcook leeks? ›

To sweat them, place them in a pan with butter or oil and cook over low heat until they get soft but not browned. Leeks should never be browned, or overcooked, because it will turn them into slimy mush. Instead, cook them until they are tender.

Do you wash leeks after cutting? ›

Place sliced leeks in a bowl of water. Agitate and separate layers of leeks so dirt can be released. Once clean, use a slotted spoon or your hands to scoop leek slices from water. Pat dry before cooking.

How to prepare leeks for freezing? ›

To freeze: Leeks can be frozen! Simply slice and freeze them on a tray, before popping into a sealed container. To defrost: When you take food or drink out of the freezer, it's important to defrost it safely. Don't defrost at room temperature.

Can I freeze leeks without blanching? ›

For longer storage, yes. For short-term storage, no. If you're planning on using the frozen leeks within 1-2 months you do not need to blanch them. Simply slice them, wash and drain them, and lay them flat in a ziplock freezer bag with the date and put them in the freezer.

Do you wash leeks before freezing? ›

Once your leeks are trimmed, give them a quick rinse with cool water to remove any obvious dirt and grime on the outside. Because of the way they grow, leeks tend to trap a lot of dirt and grit between their layers. Before you can freeze your leeks, you will need to clean them thoroughly.

Why do you soak leeks in water? ›

Soak the stalks in a bowl of cold water for 10 minutes or so, then rinse under cold running water in the sink. The long soak allows the water to penetrate the leek's many layers, clearing out all the bits of debris. Once your veg is all cleaned up and dirt-free, it's time to get cookin'.

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.

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

In the US, England, and most other English-speaking areas, the dark green portion of the leek is fibrous and often has a "soapy" flavor which detracts from the flavor of the dish. It's not a good idea even to use those for vegetable stock, as the overall flavor is unpleasant.

How do you store leeks with roots? ›

You can store leeks with the roots packed in soil, shoulder to shoulder in a crate or box in a root cellar, where they will keep for six weeks. They can be stored in plastic bags for two to three months at the right temperature, or frozen.

What temperature should leeks be stored at? ›

Yellowing; rapid decay: Storing leeks at high temperatures may cause yellowing and decay. Exposing leeks to ethylene may also cause yellowing and decay. For best quality, maintain storage temperature of 32-36 degrees F/0-2 degrees C. Keep leeks away from ethylene-producing fruits and ripening rooms.

How do you store leeks without plastic? ›

Leeks: Store in an open container in the crisper wrapped in a damp cloth or in a cup with some water on the counter (cover the bottom of the stem with water).

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