Butternut Squash Pasta with Creamy Sauce

Featured in: Warm Homestyle Comfort Meals

This Italian-inspired pasta features roasted butternut squash transformed into a silky, flavorful sauce. Cube and roast butternut squash with garlic until caramelized, then blend with sautéed onions, sage, vegetable broth, and cream for richness. Toss with cooked fettuccine and finish with Parmesan and fresh parsley. The entire dish comes together in about an hour, with minimal hands-on time. Easily customized for vegan diets by swapping dairy for plant-based alternatives.

Updated on Fri, 16 Jan 2026 08:39:00 GMT
A warm bowl of butternut squash pasta tossed in a velvety, creamy roasted squash sauce, garnished with fresh parsley.  Pin it
A warm bowl of butternut squash pasta tossed in a velvety, creamy roasted squash sauce, garnished with fresh parsley. | citrusfable.com

The autumn mist was still rising from the garden when I first attempted this butternut squash pasta. My kitchen windows fogged as the oven heated, creating this perfect cocoon of warmth against the October chill. I remember being skeptical about butternut squash as a pasta sauce base, wondering if it would be too sweet or one-dimensional. The moment I tasted that first silky, complex spoonful though, everything changed. This dish has evolved over countless dinner parties since, becoming more refined with each preparation.

Last fall, I made this pasta when my sister visited after a particularly rough month at work. We stood side by side in my tiny kitchen, the sweet aroma of roasting squash filling the space between us. Words that had been difficult to find over phone calls came easier as we chopped, stirred, and tasted together. By the time we sat down to eat, the warm, velvety sauce seemed to mirror how the tension had melted away from our shoulders.

Ingredients

  • Butternut squash: Look for one with a matte, not glossy skin, which tells you its properly ripened and will have that deep, sweet flavor that makes this sauce special.
  • Unpeeled garlic cloves: Roasting them in their skins creates a mellow, almost sweet garlic flavor that wont overpower the delicate squash notes.
  • Fresh sage: Its earthy aroma magnifies as it hits the hot oil, creating an essential aromatic foundation that dried sage simply cant match.
  • Heavy cream: Just enough to create silkiness without masking the sweet, caramelized flavor of the roasted squash.
  • Reserved pasta water: That starchy liquid is culinary gold for adjusting sauce consistency while adding a subtle binding element.

Instructions

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Roast the squash to caramelized perfection:
Spread those butternut cubes in a single layer, giving them room to breathe so they roast rather than steam. Youll know theyre done when the edges turn that beautiful golden brown and a fork slides through without resistance.
Create your aromatic base:
When sautéing the onion and sage, take your time here to let them slowly soften. The sizzling sound will gradually quiet as the onions turn translucent, releasing their sweetness into the oil.
Blend until silky smooth:
Start your blender on low before increasing to high speed, giving those squash pieces time to break down evenly. If youre using a food processor, you might need to scrape down the sides once or twice to catch any rebellious chunks.
Marry the sauce with pasta:
This final step of tossing the pasta directly in the sauce allows the noodles to absorb those flavors rather than just wearing them. The pasta will continue drinking up the sauce, so err on the slightly thinner side if youre not serving immediately.
Garnish thoughtfully:
The bright green parsley isnt just for looks, it adds a fresh counterpoint to the rich sauce. A light hand with the final cheese sprinkle lets the squash remain the star.
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Golden roasted butternut squash pasta served with a rich, creamy sauce and a sprinkle of Parmesan cheese.  Pin it
Golden roasted butternut squash pasta served with a rich, creamy sauce and a sprinkle of Parmesan cheese. | citrusfable.com

My neighbor Jack, who swore he detested all squash dishes after childhood trauma with bland acorn squash, reluctantly tried this pasta during an impromptu dinner gathering. The look of genuine surprise on his face as he went for seconds made me laugh out loud. Later he whispered, asking for the recipe because his partner loves butternut squash. Sometimes good food bridges the gap between what we think we know about ourselves and what we might actually enjoy.

Making It Your Own

After making this pasta countless times, Ive found its incredibly adaptable to what you have on hand. Once when my sage plant had been decimated by an overzealous pruning, I substituted fresh thyme with surprisingly delightful results. The flavor profile shifted to something brighter, less autumnal but equally compelling. Another time, running low on heavy cream, I used half cream and half plain yogurt, which added a subtle tanginess that paired beautifully with a sharper aged Parmesan.

Pairing Suggestions

This pasta creates an interesting pairing challenge because of its sweet-savory balance. I once served it alongside a simple arugula salad dressed only with lemon juice, olive oil, and a generous crack of black pepper, and the peppery bite of the greens provided the perfect contrast to the creamy pasta. For wine, Ive found that while the recipe suggests Pinot Grigio, a lightly oaked Chardonnay can stand up beautifully to the richness, especially if you go heavy on the Parmesan.

Storage and Reheating

The sauce actually deepens in flavor overnight, making this an excellent make-ahead option for busy weeknights or entertaining. I learned this by accident when a dinner party was canceled last minute due to a snowstorm, leaving me with a full batch that I reluctantly refrigerated.

  • Store the sauce separately from any unused pasta to prevent the noodles from absorbing all the moisture and becoming mushy.
  • When reheating, add a splash of broth or milk as the sauce will thicken considerably in the refrigerator.
  • A gentle reheating on the stovetop rather than microwave preserves the silky texture better, though both methods work.
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Cozy, plant-based butternut squash pasta in a creamy roasted squash sauce, perfect for a fall dinner. Pin it
Cozy, plant-based butternut squash pasta in a creamy roasted squash sauce, perfect for a fall dinner. | citrusfable.com

This butternut squash pasta has taught me that sometimes the simplest ingredients, treated with care, create the most memorable meals. Whether youre cooking for yourself on a quiet evening or gathering loved ones around your table, theres something magical about a dish that feels both nurturing and special.

Recipe FAQs

Can I make this ahead of time?

Yes, prepare the squash sauce up to 2 days in advance and refrigerate in an airtight container. Reheat gently on the stovetop with a splash of broth or cream. Cook pasta fresh just before serving to maintain the best texture.

What pasta shapes work best?

Wide, flat noodles like fettuccine or tagliatelle are ideal for clinging to the creamy sauce. Pappardelle or even rigatoni also work beautifully. Avoid thin, delicate pasta that may break under the sauce's weight.

How do I achieve a smooth sauce?

Roast the squash fully until very tender for easier blending. If using a standard blender, blend in batches and strain through a fine-mesh sieve for ultra-silky results. A food processor creates a slightly thicker consistency, which some prefer.

What can I add for more texture?

Sautéed mushrooms, wilted spinach, toasted walnuts, or crispy sage leaves all complement the creamy sauce beautifully. Add vegetables during the onion sauté stage or fold them in after blending.

Is this dish freezer-friendly?

The sauce freezes well for up to 3 months in freezer-safe containers. Thaw overnight in the refrigerator and gently reheat. For best results, freeze sauce and pasta separately, then combine when reheating.

How do I adjust the sauce consistency?

If the sauce is too thick, stir in reserved pasta water or vegetable broth, one tablespoon at a time, until you reach the desired creaminess. Too thin? Simmer uncovered for a few minutes to reduce and concentrate flavors.

Butternut Squash Pasta with Creamy Sauce

Homemade butternut squash puree blended into a velvety sauce coats tender pasta. Perfect for fall and plant-based dining.

Prep time
20 minutes
Time to cook
40 minutes
Overall time
60 minutes
Created by Noah Roberts


Skill Level Medium

Cuisine Italian-Inspired

Serves 4 Portions

Diet info Vegetarian

What You'll Need

Vegetables

01 1 medium butternut squash (about 2 lbs), peeled, seeded, and cubed
02 2 cloves garlic, unpeeled
03 1 small yellow onion, diced
04 1 tablespoon fresh sage leaves, chopped (or 1 teaspoon dried)
05 2 tablespoons fresh parsley, chopped (for garnish)

Pasta

01 12 oz dried fettuccine or tagliatelle (or fresh pasta)

Dairy & Liquids

01 2 tablespoons olive oil
02 1/2 cup heavy cream (or full-fat coconut milk for vegan)
03 1/3 cup grated Parmesan cheese (or vegan alternative)
04 3/4 cup vegetable broth
05 Salt and black pepper, to taste
06 Pinch of nutmeg (optional)

Directions

Step 01

Preheat Oven and Prepare Baking Sheet: Preheat oven to 400°F. Line a baking sheet with parchment paper.

Step 02

Prepare Squash for Roasting: Spread the cubed butternut squash and unpeeled garlic cloves on the baking sheet. Drizzle with 1 tablespoon olive oil, sprinkle with salt and pepper, and toss to coat evenly.

Step 03

Roast Squash and Garlic: Roast for 25–30 minutes, turning halfway through cooking, until the squash is tender and caramelized at the edges.

Step 04

Cook Pasta: Bring a large pot of salted water to a boil. Cook the pasta according to package instructions. Reserve 1/2 cup pasta water, then drain.

Step 05

Sauté Aromatics: In a large skillet, heat remaining 1 tablespoon olive oil over medium heat. Sauté the diced onion and sage until the onion is soft and fragrant, about 4 minutes.

Step 06

Blend Sauce: Squeeze the roasted garlic out of its skins. In a blender or food processor, combine roasted squash, roasted garlic, sautéed onion and sage, vegetable broth, and heavy cream. Blend until smooth and creamy.

Step 07

Finish Sauce: Return the squash sauce to the skillet over low heat. Stir in Parmesan cheese and a pinch of nutmeg, if using. Season with salt and pepper. If the sauce is too thick, add reserved pasta water as needed to reach desired consistency.

Step 08

Combine Pasta and Sauce: Add cooked pasta to the sauce and toss gently to coat. Warm through for 2–3 minutes.

Step 09

Serve: Serve immediately, topped with chopped parsley and extra Parmesan if desired.

Tools Needed

  • Baking sheet
  • Parchment paper
  • Blender or food processor
  • Large pot
  • Large skillet
  • Chef's knife and cutting board

Allergy Advice

Review ingredients for allergens and speak with a healthcare provider if unsure.
  • Contains dairy (cream, Parmesan) and gluten (pasta). For gluten-free: use gluten-free pasta. For dairy-free/vegan: use plant-based cream and cheese alternatives.

Nutritional Details (per serving)

This nutrition info is an estimate and not medical advice.
  • Total Calories: 440
  • Fats: 17 grams
  • Carbohydrates: 61 grams
  • Proteins: 12 grams