Roasted Asparagus With Crispy Leeks and Capers

Roasted Asparagus With Crispy Leeks and Capers
Andrew Purcell for The New York Times. Food Stylist: Carrie Purcell.
Total Time
20 minutes
Rating
4(1,218)
Notes
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In this supremely springy recipe, thick asparagus stalks and thinly sliced leeks are glossed with olive oil and covered in salty capers. Everything is roasted in the same pan and emerges tender and golden-edged. Capers also make an appearance in the mustard sauce served alongside, which adds a tangy, mayonnaise-like richness. You can double the recipe, if you wish, though you may have to increase the roasting time by a few minutes to make up for a more-crowded pan. Serve this on its own as a first course, or as an accompaniment to roast chicken, braised meats or seared fish. Just don’t use thin asparagus: It’ll cook too quickly, before the leeks have a chance to turn golden. Stick with spears that are at least ½ inch in diameter.

Featured in: Getting the Best Out of Thick Asparagus

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Ingredients

Yield:3 to 4 servings

    For the Asparagus

    • 1pound thick asparagus, ends trimmed
    • 2tablespoon extra-virgin olive oil
    • Kosher salt and black pepper
    • 1large leek, white and light green parts, halved lengthwise and thinly sliced
    • 2tablespoons drained capers
    • Lemon wedges, for serving
    • ¼cup parsley, leaves and tender stems, torn

    For the Mustard Sauce

    • 2teaspoons Dijon mustard
    • 2teaspoons drained capers, finely chopped
    • 1small garlic clove, finely grated or minced
    • 3tablespoons extra-virgin olive oil
    • Kosher salt and black pepper
Ingredient Substitution Guide
Nutritional analysis per serving (4 servings)

197 calories; 17 grams fat; 2 grams saturated fat; 0 grams trans fat; 12 grams monounsaturated fat; 2 grams polyunsaturated fat; 10 grams carbohydrates; 4 grams dietary fiber; 3 grams sugars; 3 grams protein; 403 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    Heat oven to 425 degrees. Put asparagus on a rimmed sheet pan and toss with 1 tablespoon oil and ½ teaspoon salt until well coated.

  2. Step 2

    In a small bowl, stir together leeks, remaining 1 tablespoon oil, and a pinch each of salt and pepper. Sprinkle leeks on top of asparagus, then sprinkle with capers. Roast until asparagus are tender and golden brown, about 12 to 18 minutes.

  3. Step 3

    While the asparagus stalks roast, make the mustard sauce: In a small bowl, whisk together mustard, capers and garlic. Slowly whisk in olive oil a few drops at a time to create a thick, emulsified dressing. Season with salt and pepper to taste.

  4. Step 4

    Once asparagus stalks are out of the oven, squeeze a lemon wedge over it and sprinkle parsley on top. Serve with mustard sauce and more lemon wedges on the side.

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4 out of 5
1,218 user ratings
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Cooking Notes

Asparagus grow in length (not width) so plumper bottoms doesn't mean it's not fresh. As the article states, look at the tightly closed buds for freshness. As Jacques Pepin taught us, use a vegetable peeler to quickly remove the tougher out layer on fatter asparagus. This way, you won't be cutting and throwing away a delicious inch or two of the vegetable (you paid for). https://www.youtube.com/watch?v=pMH21I782IM&t=28s

Thicker asparagus are just from older plants. The asparagus council wants us to believe the thinner ones are better; it's easier for them to deal with younger plants (since asparagus is a perennial, which makes weeding harder and harder as years pass). The thick asparagus are the most special.

When roasting asparagas, I arrange them on a foil lined baking sheet with the tops aligned on one side of the pan so I can fold the foil over just the tops to prevent them from overcooking while the stalks get roasted and creamy inside. I like to roast lemon halves in the pan at the same time to squeeze directly over the spears or to make a piquant sauce like Melissa's mustard sauce recipe. Asparagus and sugar snap peas are quintessential spring delights.

Thin asparagus can be roasted. I usually do them at 375 degrees for about 10 minutes, checking them after 6 minutes have passed.

So good. I had an unexpected delivery of 3 pounds of asparagus. All thin. So I roasted the leeks and capers in the oven for ten minutes, then added the asparagus and roasted for 8 min more. Perfect. I served this with pork chops and a lemon Dijon cream pan sauce so I skipped the sauce in the recipe. One pound of asparagus down, 2 to go...

Outstanding, and the sauce will work perfectly for any vegetable. This is my new go-to preparation for asparagus.

Thick or thin when I buy from a grocer I cut off about 1 inch from bottom of stem and put them in a glass of cold water for about 2 hours before cooking. They get really crispy and sweet.

Very inspiring, I had leeks and asparagus and capers. But spears were not thick so instead I cut the leeks the long way (the same length as the asparagus) and sweated them in some butter in a sauté pan with a lid, added some vermouth then piled the asparagus on top and let them steam with the lid one. Shavings of parmesan and some capers after. Delicious as a bed for a simple piece of steelhead. Thanks Melissa

Notwithstanding the thickness of your asparagus, just make this dish! The combination of the asparagus and the leeks and capers is delicious. The mustard sauce takes it to another level.

Roasting asparagus is the only way to prepare the thick ones. Peeling isn’t necessary. Roasted, they become sweet and quite silky, so much easier with less waste. Leftover stalks make a divine soup.

One pound of asparagus is not enough for this recipe. I would recommend at least 2. One leek creates many slices and it over powers the delicate taste of the asparagus. I would definitely use more next time

Delicious. Cut off only bottom 1/4 inch, to remove the dirt. Then used peeler to remove tough skin on lower inch or two. First time I did the recipe, the asparagus was too crowded in my sheet pan, causing spears in the middle to be a bit mushy. So, make sure your asparagus isn’t crowded in the pan. Thanks for a great recipe!

Thicker asparagus has a better taste than the thin ones. And it cooks better. Thin ones, no matter how attentive you are, end up flabby.

Peeling isn’t necessary for thick asparagus but they are so much better peeled.

This is delicious, although a bit too oily for our tastes. I tossed the asparagus with a couple teaspoons of olive oil and cut the amount of oil in he dressing by half.

We started the Mediterranean diet recently and this recipe was perfect. So tasty and full of healthy fats and greens. The mustard sauce was inspired. I predict this will be in regular rotation.

Fabulous way to enjoy in-season asparagus! Added a squeeze of lemon to the mustard sauce for some much-needed brightness.

No need to use salt, capers make it salty enough. It is delicious!

Mind-blowingly delicious for such simplicity. Melissa Clark, you are a genius.

Delightful! Topped with a poached egg and called it dinner.

Delicious. Followed directions. Upscale restaurant quality dish. Asparagus felt new and original (and we eat a lot of asparagus this time of the year). Will make again. Perfect for guests/dinner party. Thanks NYT!

Really enjoyed this easy way to do asparagus and loved the leeks with it. The mustard/caper sauce was delicious. this dish easily paired very well with grilled salmon.

I finally found nice thick asparagus around Easter--I had printed and saved this recipe last year when all I could find were very thin stalks. I followed the recipe pretty much exactly and we loved everything about this dish. While I grilled a butterflied boneless leg of lamb on my Weber, following Sam's and Mark Bittman's instructions from their Charleston, SC dinner party, I roasted yellow potatoes and then the asparagus in my oven. My husband described the meal as spectacular.

What a delicious combination of flavors, fresh, salty, sour and savory. And so pretty! It was the perfect Easter Dinner side dish

I had the perfect asparagus on hand for this recipe but unfortunately not a leek. I did have shallots and used them instead adjusting my expectations accordingly. It was surprisingly delicious, so much so that my husband, who is not a lover of vegetables ate it with gusto night one and the leftovers the following evening. I just made the recipe as it's written with leeks, followed to a T and it was terrible. The asparagus steamed, some of the leeks burned. How did I fail so spectacularly?

We loved these asparagus- keeper. Used leftover pretzel ball mustard cheese dip which worked just fine.

Substituting a little squeeze of lime for all or some of the lemon juice makes an interesting variation. Limes vary in intensity, so go slow. Not so it tastes like a daiquiri, just enough to give an aromatic note to the asparagus. Improbably, lime and asparagus pair well; diners often ask me what's the ingredient that is making plain old steamed asparagus wake up.

I found the mustard sauce too bitter using extra virgin olive oil. I used avocado oil instead and it turned out much nicer. Great recipe otherwise!

Add diced pancetta with the leeks and this is next level!

WOW this was way better than I thought. Thick asparagus is essential, just used a few chipped green onions + mild onion slices and I 2TBS oil instead of one. The sauce is exceptional and useful for many other things, including seafood

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