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Low FODMAP Basil Walnut Pesto with Spaghetti Squash & Zucchini Noodles

Paired with vegetable noodles, this bright Basil Walnut Pesto is a lovely FODMAP friendly & Gluten-Free way to celebrate spring.
Course Main Course
Cuisine American, Italian
Keyword basil, fodmap, gluten free, herbs, pesto, walnut
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 6 servings
Calories 520kcal



  • 2 cups fresh basil
  • 1 cup chopped walnuts
  • ½ cup grated parmesan cheese
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 2/3 cups olive oil


  • 1 spaghetti squash
  • 1 tablespoon olive oil
  • 2 zucchini, spiralized


Make the Basil Walnut Pesto:

  • In a blender or food processor, grind the walnuts until nearly a powder. Scrape down the sides and toss in the basil, parmesan cheese, salt, and black pepper and puree to combine (30 seconds). Slowly drizzle in the olive oil with the blender on low. Puree until completely combined (another 30-40 seconds). Transfer the pesto to sealable container.

Bake the spaghetti squash and zucchini:

  • Preheat the oven to 400 degrees F. Cut the spaghetti squash in half, sprinkle with salt and pepper, and rub down with olive oil. Place cut-side down on a foiled lined baking sheet and bake for 50 minutes, until the squash is easily pierced with a fork. Remove from the oven and allow the halves to cool to the point where you can handle them.
  • Meanwhile, spread the spiralized zucchini out on a foil-lined baking sheet. Bake at 350 degrees F for 15 minutes, until warm and tender.
  • Once cool, pull out the strands of spaghetti squash with a fork. Toss the zucchini and spaghetti squash together.
  • To serve, pile a mixture of warm spaghetti squash and zucchini noodles on a plate, and top with a quarter of the basil walnut pesto. Enjoy!


Calories: 520kcal | Carbohydrates: 7g | Protein: 17g | Fat: 49g | Saturated Fat: 11g | Polyunsaturated Fat: 12g | Monounsaturated Fat: 24g | Cholesterol: 24mg | Sodium: 763mg | Potassium: 327mg | Fiber: 2g | Sugar: 3g | Vitamin A: 1650IU | Vitamin C: 8.3mg | Calcium: 460mg | Iron: 1.4mg