How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Instant Pot® Vegan Spaghetti Squash With Pesto?

You need 13 ingredients. The key ingredients include: Spaghetti squash:, 1 (3 pound) spaghetti squash, halved and seeded, 1 cup vegetable broth, 1 sprig chopped fresh rosemary, and more.

Is Instant Pot® Vegan Spaghetti Squash With Pesto suitable as pasta & noodles?

Yes, Instant Pot® Vegan Spaghetti Squash With Pesto falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Instant Pot® Vegan Spaghetti Squash With Pesto?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Instant Pot® Vegan Spaghetti Squash With Pesto

Name: Instant Pot® Vegan Spaghetti Squash With Pesto
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Spaghetti squash:; 1 (3 pound) spaghetti squash, halved and seeded; 1 cup vegetable broth; 1 sprig chopped fresh rosemary; 1/2 teaspoon salt; Pesto:; 2 cups fresh basil leaves; 2/3 cup olive oil; 1/4 cup pine nuts; 2 tablespoons nutritional yeast; 2 cloves garlic; 1/2 teaspoon salt; 1/4 teaspoon ground black pepper

Try this homemade Instant Pot® Vegan Spaghetti Squash With Pesto recipe the whole family will love. Made with vegetable broth, rosemary, salt and fresh …

This Instant Pot® Vegan Spaghetti Squash With Pesto relies on simple, everyday ingredients such as spaghetti squash:, vegetable broth, sprig chopped fresh rosemary and salt. It comes together quickly and makes 4 servings, at about 489 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Pasta & Noodles

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Leave out the nuts to make it nut-free, or swap in seeds for a similar crunch.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Instant Pot® Vegan Spaghetti Squash With Pesto

Tips for the best results

Variations & substitutions

My Personal Notes

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