Broccoli-Walnut Pesto Pasta

Updated March 20, 2025

Broccoli-Walnut Pesto Pasta
David Malosh for The New York Times. Food Stylist: Simon Andrews.
Total Time
25 minutes
Rating
4(3,234)
Comments
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Pesto becomes more full-bodied with the addition of broccoli that’s blanched in the same pot as the pasta and fresher with the combination of mint and lemon. For a sauce that's light and loose, use only the florets — not the stems. Raw walnuts have a welcome natural sweetness and nice crunch that complement the pesto, but you can leave them out or substitute sunflower seeds if you have a tree-nut allergy.

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Ingredients

Yield:4 to 6 servings
  • Kosher salt (such as Diamond Crystal)
  • 4cups broccoli florets (10 ounces from 2 crowns)
  • 1pound cut pasta, such as medium shells
  • 1large garlic clove, smashed
  • 2packed cups fresh mint leaves (about 2 ounces from one small bunch)
  • Black pepper
  • ½cup extra-virgin olive oil, plus more for serving
  • 1lemon, zested and juiced
  • Parmigiano-Reggiano, for serving
  • ½cup walnuts, chopped
Ingredient Substitution Guide
Nutritional analysis per serving (6 servings)

540 calories; 26 grams fat; 4 grams saturated fat; 0 grams trans fat; 14 grams monounsaturated fat; 7 grams polyunsaturated fat; 65 grams carbohydrates; 7 grams dietary fiber; 3 grams sugars; 14 grams protein; 459 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

    Bring a large saucepan of water to a boil over high heat. Add ¼ cup salt, then add the broccoli. Cook, stirring occasionally, until bright green and just tender, about 5 minutes. Use a spider or slotted spoon to transfer to a food processor; keep the water boiling.

  2. Step 2

    Drop the pasta into the boiling water and cook according to the package’s directions for al dente. Reserve ½ cup pasta cooking water.

  3. Step 3

    Meanwhile, add the garlic to the broccoli and pulse, scraping the bowl occasionally, until smooth. Add the mint, 1 teaspoon salt and ½ teaspoon pepper. Pulse until smooth, then add the oil with the machine running.

  4. Step 4

    Drain the pasta well and transfer to a large bowl. Stir in the pesto. Add 2 tablespoons lemon juice and ½ teaspoon each salt and pepper and toss until the pasta is evenly coated. If the mixture seems thick, fold in the reserved pasta water, 1 tablespoon at a time. The mixture will thicken as it cools, so you want it to be saucy. Season to taste with salt and pepper.

  5. Step 5

    Divide among serving dishes and top with lemon zest, then grate cheese over. Sprinkle with the walnuts, grind more black pepper on top, then drizzle with olive oil. Serve hot, warm or room temperature.

Tip
  • The pasta with the pesto will keep in the refrigerator for up to 3 days. Garnish with the lemon zest, cheese, walnuts, pepper and oil right before serving. Note that the pesto will oxidize after a day and darken into a khaki green. If packing for lunch, put the pasta in an airtight container and scatter the garnishes on top. If you want to keep the walnuts extra crunchy, you can keep them separate and sprinkle them on right before eating.

Ratings

4 out of 5
3,234 user ratings
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Comments

For those commenting on the salt, "salt" is not what is off in the recipe. 1/4 cup is not that much in a pot of water. What is at issue is the size of the "saucepan," which is not specified. Here's a recommendation: use the right amount of salt for the pasta pot you're using. It should taste like the sea. Most recipes recommend cooking pasta with a lot of water. Personally, I prefer less water, so that the water is starchy enough to really help thicken the sauce.

We tossed the stems with olive oil the roasted them in the oven - made a great addition to the pasta! DELICIOUS (and super easy)

This was fantastic. Packed way more flavor than expected. Added a teaspoon of red pepper flakes and a tad more lemon juice and garlic. Really really great. Broccoli and mint are a dynamite combo.

Felt and tasted like it had been eaten once and regurgitated before it was served. Didn't think it was possible to go this far wrong with broccoli and walnuts.

Way way way too SALTY

Just made it. Everything was great except too much salt. No need to add 1/4 cup of salt in the water.

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