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A plate of spaghetti with green pesto sauce, garnished with basil leaves and parmesan cheese, with a bowl of pistachios in the background.
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Pistacho Pesto Pasta

Creamy pistachio pesto pasta is a quick, flavorful dinner made with fresh basil, garlic, Parmesan, and lemon. This nutty twist on classic pesto is rich, bright, and perfect for busy weeknights.
Prep Time15 minutes
Cook Time10 minutes
Total Time25 minutes
Course: Dinner
Cuisine: American
Servings: 4 Servings
Calories: 783kcal
Author: Wendy

Equipment

  • Large pot for boiling pasta
  • Food processor or blender
  • measuring cups and spoons
  • colander
  • Tongs or large spoon for tossing

Ingredients

  • 12 ounces spaghetti or linguine
  • 1 cup shelled pistachios unsalted
  • 1 cup fresh basil leaves packed
  • 2 cloves garlic
  • ½ cup grated Parmesan cheese
  • ½ cup olive oil
  • Juice of ½ lemon
  • Salt and black pepper to taste

Instructions

  • Bring a large pot of salted water to a boil and cook pasta according to package directions. Reserve ¼ cup of pasta water before draining.
  • In a food processor, combine pistachios, basil, garlic, Parmesan, olive oil, and lemon juice. Blend until smooth, adding a splash of pasta water if needed for creaminess.
  • Toss the hot pasta with the pistachio pesto, adjusting the consistency with reserved pasta water if desired. Season with salt and pepper, then serve immediately.

Notes

  • Salt the pasta water generously for the best flavor.
  • Blend the pesto while the pasta cooks to save time.
  • Add lemon juice gradually and taste as you go.
  • Toss pasta while it’s hot so the sauce coats evenly.

Storage

Storage:

Store leftovers in an airtight container in the refrigerator for up to 3 days.

Reheating:

Reheat gently on the stovetop or in the microwave with a splash of water or olive oil.

Freezing:

Freeze the pistachio pesto only (without pasta) for up to 2 months.

Nutrition

Serving: 1Serving | Calories: 783kcal | Carbohydrates: 74g | Protein: 21g | Fat: 46g | Saturated Fat: 8g | Polyunsaturated Fat: 8g | Monounsaturated Fat: 28g | Cholesterol: 11mg | Sodium: 225mg | Potassium: 552mg | Fiber: 6g | Sugar: 5g | Vitamin A: 552IU | Vitamin C: 3mg | Calcium: 174mg | Iron: 3mg