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 do you store and prepare 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.

Can you prep leeks ahead of time? ›

While waiting to trim your leeks until your are ready to use extends their shelf life (whole leeks can last up to 2 weeks in the fridge!), you can prep leeks 2-3 days before you're ready to use them without much fear of them getting mushy.

Can you prep and freeze 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.

How to wash and prepare leeks? ›

Chop each half crosswise in 1/4 inch slices. Place sliced leeks in a bowl of cold water. Agitate with your hands to remove dirt and grit that was trapped between the layers. Scoop out clean leeks with a slotted spoon or drain with a colander.

Can I freeze leeks cooked in butter? ›

Can you freeze cooked leeks? Freezing raw leeks is the most common way to preserve them, but you can freeze cooked leeks. If you want to freeze leeks that have been cooked in butter or oil, let them cool completely. Then, transfer to a freezer bag.

How long can you keep leeks in the ground? ›

Hardy leeks can remain in the ground through winter and into spring – just lift them whenever needed. Before cooking, slice leeks lengthways and hold under running water to wash out any soil from between the layers of leaves. Leeks have a sweet, mild onion flavour.

Can you vacuum seal and freeze leeks? ›

The answer is yes, you can absolutely vacuum seal vegetables! However, you need to prepare your veggies correctly BEFORE freezing in order to preserve texture, flavour and nutritional content, while taking advantage of a longer shelf life.

How do you know if leeks have gone bad? ›

Any leek with signs of mold should be discarded. Wilted Tops: The tops of the leeks may become limp and wilted, indicating they are no longer fresh. Discoloration: Any other discoloration, especially darkening to a brown hue, suggests the leek is old and possibly spoiled. Texture: Fresh leeks have a firm texture.

Can leeks survive a freeze? ›

Leeks are fairly frost tolerant, so you can delay harvest until after the first few frosts. Temperatures as low as 20°F may not harm some varieties. Mound mulch around your leeks to protect them, and you can enjoy digging fresh vegetables out of your garden into late fall.

What is the best way to eat leeks? ›

Here are a few of my favorite ways to use them:
  1. On their own! Grill or roast them and enjoy them as a side dish. ...
  2. In soups. Leeks are famous for their ability to add depth to soups, stews, and stock. ...
  3. In pasta. ...
  4. In risotto. ...
  5. With eggs. ...
  6. In stuffing. ...
  7. On pizza.

What part of a leek is best? ›

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.

Are leeks good for you? ›

Leeks provide several nutrients, such as vitamins A, C, and B6. Leeks are very low in calories, but do contain a decent amount of essential vitamins and minerals, including vitamins like vitamins A, B6, C, and K, and minerals like copper and manganese.

What part of a leek do you eat? ›

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.

How do you blanch leeks before harvesting? ›

Growing and care of leeks

Blanching the stems by hilling up soil around them will make your leeks more tender and mild, but isn't absolutely necessary. You can blanch the shanks at the base by transplanting the leeks into a bed of loose soil.

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