Oven Roasted Leeks

Name: Oven Roasted Leeks
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Ingredients: 4 large leeks; 4 tablespoons olive oil; 1 teaspoon salt; ½ teaspoon ground black pepper; 2 tablespoons chopped fresh parsley

Oven Roasted Leeks are an easy, flavorful side dish. Their earthy flavor pairs easily with everything from chicken to lamb to beef.

4.8 from 20 votes

Prep Time 5

Cook Time 20

Jump to Recipe Pin Recipe

Oven Roasted Leeks are a simple, flavorful side dish that will dress up your dinner table. Their earthy flavor pairs easily with everything from chicken to lamb to beef. Simple ingredients and five minutes of prep time are all you’ll need to make this easy recipe.

You often see leeks used as a component in hearty soups, casseroles, and stews, but oven roasting them gives them a chance to shine on their own! And the best thing is that the preparation couldn’t be simpler – just leeks, salt, pepper, a little olive oil, and parsley!

For me, the hardest part of planning an everyday menu is deciding on the side dishes. The entree is easy, right? It’s usually just your choice of protein. But those sides!

I mean, who wants green beans every single night of the week? And, of course, whatever you choose must be quick and easy to prepare. Well, these oven baked leeks meet all of those criteria!

They’re 1) delicious, 2) easy – prep is about 5 minutes, 3) go with almost any main dish, and 4) did I mention they’re delicious? I’ve served these with roasted chicken, sauteed pork chops, rack of lamb, and roast beef. I believe that would be considered versatile 🤤.

🤔 What Are Leeks?

If you’re not very familiar with leeks, just pick up a few next time you’re at the grocery store and give them a try. They have white bulbous bottoms and leafy green tops and belong to the allium family, as do onions and garlic. They’re quite mild in taste with a pleasant earthy flavor. Kind of like the air right before a summer rain. You know that smell, right? Leeks always make me think of that.

🛒 Ingredient Notes

Ingredients needed to make roasted leeks.

This post contains affiliate links. Lana’s Cooking is reader-supported and earns a tiny commission at no extra cost to you when you shop from our links.

Leeks (washed and trimmed – I’ll explain how in the post below)
Salt and Pepper
Olive Oil (nothing fancy, just plain old olive oil)
Parsley (fresh is best, but substitute dried parsley if you must)

You’ll find detailed measurements for all ingredients in the printable version of the recipe at the bottom of this post.

🔪 How to Cook Leeks in the Oven

Preheat the oven to 475.

Drizzling olive oil over leeks in a baking dish.

Seasonings added to leeks in a baking dish.

😋 How to Prepare Leeks for Roasting

Clean the leeks thoroughly under cold running water, leaving the root end intact. Cut away the root fibers, but don’t cut off the area where the leaves attach to the base of the stem. You want the halves to stay together during baking and if you completely cut off the root area, they’ll fall apart. Trim away the tough, dark green tops. You can save those for stock if you’d like. They’re especially nice to add to chicken stock.
Split each leek in half lengthwise. Check for any dirt that may be inside and rinse again if needed. Pat dry with paper towels.

👉 PRO TIP: Leeks are often very dirty. They grow upward through the dirt capturing it in their leaves as they go. I always try to find the cleanest ones available in the grocery store, but you just can’t see what’s really in there until you get them home and cut them. If you see more dirt when you split them, gently rinse them again under cold water being careful not to pull the leaves off.

✅ How Long to Roast Leeks?

Place the cleaned leeks in a single layer in a casserole or baking dish. Drizzle with the olive oil and sprinkle with salt, black pepper, and chopped fresh parsley.
Turn several times to coat all sides with the oil and seasonings. Finish with the cut side of the leeks up.
Bake for 15-20 minutes, turning once, until the outer edges of the leeks begin to blacken.

Remove from the oven and transfer to a serving dish. Or not :-)

🔀 Recipe Variations

Change the seasonings by adding a bit of fresh, chopped garlic, a teaspoon of lemon zest, or changing the parsley for thyme, oregano, or marjoram.
Sprinkle a tablespoon or two of Parmesan cheese over the leeks just as you take them out of the oven.
Drizzle the warm finished leeks with lemon juice or a light vinaigrette for a nice bright added flavor.

🍚 Storing the Leftovers

Store any leftovers in a sealed container in your refrigerator for up to three days.

⏲️ To Make Ahead

You can roast the leeks up to two days in advance of serving. Store the cooked leeks in the refrigerator and reheat them either in the microwave or in the oven until warmed through.

❓ Questions About Roasted Leeks

What are leeks?

Leeks are part of the onion (or allium) family and have an earthy, mild flavor. They grow in the ground like many alliums, but they don’t develop a bulb. Leeks can be eaten raw but are best when cooked. Recipes typically call for them to be sautéed in butter or oil, or included for slow cooking in stews.

What part of the leek do you eat?

The edible parts of the leek are the light green and white part of the stalks. The dark green parts at the top of the stems are typically tough and bitter.

What health benefits do leeks have?

They’re a great source of vitamins A, C, and K, contain iron and manganese, and are also a good source of fiber.

How do I store leeks?

Fresh leeks may be wrapped in plastic (to contain any odors) and stored in the crisper drawer of your refrigerator. They can be kept for up to two weeks depending on their freshness at the time of purchase.

🧾 More Recipes You’ll Like

Leek and Potato Soup

Potato, Leek and Bacon Au Gratin

A serving of the finished pie on a white plate with fresh sage on the side.

Chicken, Leek, and Mushroom Pie

The finished dish in a white serving bowl with forks on the side.

Sausage and Leek Pasta

📖 Recipe