Butternut Squash Pasta Creamy Sauce

Featured in: Herb-Rich Cozy Dinners

This comforting pasta dish transforms roasted butternut squash into a silky, flavorful sauce that clings beautifully to fettuccine. The squash is oven-roasted until caramelized, then blended with cream, Parmesan, and vegetable broth for a velvety texture. Fresh sage and garlic add aromatic depth, while the dish remains easily adaptable for vegan diets. Ready in about an hour, it serves four and captures the essence of cozy fall cooking with Italian-inspired flavors.

Updated on Fri, 16 Jan 2026 10:13:00 GMT
Golden roasted butternut squash and caramelized garlic on a baking sheet, ready to be blended into a creamy sauce for the Butternut Squash Pasta. Save
Golden roasted butternut squash and caramelized garlic on a baking sheet, ready to be blended into a creamy sauce for the Butternut Squash Pasta. | amberoregano.com

The first autumn chill had just settled over our neighborhood when I found myself staring at an enormous butternut squash from our farmers market haul. My kitchen was bathed in that golden late-afternoon light that makes everything look like a Renaissance painting. I remember thinking how its shape resembled an oversized lightbulb—perhaps it would become my cooking inspiration that evening. With pasta in the pantry and a sudden craving for something cozy but not too heavy, this butternut squash pasta was born in a moment of creative necessity.

Last October, my friend Sophia stopped by unexpectedly after a tough day at work. I happened to be roasting the butternut squash for this pasta, and the apartment was filled with that sweet, nutty aroma. We ended up cooking together, glasses of Pinot Grigio in hand, laughing about her terrible day. By the time we twirled the first forkfuls, her mood had completely transformed, and she declared it her new comfort food.

Ingredients

  • Butternut Squash: Look for one with a matte rather than glossy skin, which tells you its perfectly ripe and will give that ideal sweet flavor base.
  • Unpeeled Garlic Cloves: Roasting them in their papery jackets creates a mellow, almost buttery garlic flavor that conventional mincing never achieves.
  • Fresh Sage: This herb has completely transformed how I approach fall cooking, with its earthy notes that somehow make the butternut taste even more like itself.
  • Heavy Cream: Just enough to bring everything together without drowning the squash flavor, though coconut milk works beautifully for a dairy-free version.
  • Parmesan Cheese: The aged saltiness creates perfect balance against the natural sweetness of the roasted squash.

Instructions

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Prep Your Squash:
Start by peeling and cubing your butternut squash, which I find therapeutic despite the arm workout. Aim for 1-inch cubes so they roast evenly.
Roasting Magic:
Spread your squash cubes and garlic cloves on a parchment-lined baking sheet, drizzling with olive oil and a generous pinch of salt and pepper. The kitchen will start to smell amazing about 15 minutes in.
Create Your Flavor Base:
While the oven works its magic, sauté the diced onion and sage until everything turns soft and your kitchen smells like an Italian grandmother moved in. The sage will crisp slightly at the edges.
Blend It Up:
This is where transformation happens—combine the roasted squash, squeezed garlic, onion mixture, broth and cream in your blender. Watch as it whirls into a sunset-colored sauce that looks like velvet.
Marry the Elements:
Gently fold your cooked pasta into the warm sauce, allowing each strand to get thoroughly coated. If it seems too thick, that reserved pasta water is your best friend.
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Mix batters, prep ingredients, grate vegetables, and store leftovers easily during baking and everyday cooking.
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A close-up view of creamy Butternut Squash Pasta tossed with fettuccine in a velvety orange sauce, garnished with fresh parsley and grated Parmesan. Save
A close-up view of creamy Butternut Squash Pasta tossed with fettuccine in a velvety orange sauce, garnished with fresh parsley and grated Parmesan. | amberoregano.com

The night my sister brought her new boyfriend over for dinner, I served this pasta as a safe bet, not expecting much reaction. He took one bite, put down his fork, and stared at his plate in silence. My heart sank thinking hed hated it, until he looked up and said, This is what autumn would taste like if it were a food. That sentence has become our family shorthand for this dish ever since.

Seasonal Variations

Summer found me craving this pasta despite the heat, so I tried a version with yellow summer squash and basil instead of butternut and sage. While different, it captured that same silky texture with a lighter profile perfect for warmer months. The technique stays the same, but the seasonal swap creates an entirely different experience worth exploring when butternut isnt in season.

Wine Pairing Thoughts

A crisp Pinot Grigio works beautifully with this pasta, but I discovered by happy accident that an oaked Chardonnay brings out the nutty notes in the roasted squash even more prominently. The slight buttery quality of the wine mirrors something in the sauce that creates this perfect harmony, especially if youre serving this as a main course for a dinner gathering.

Making It Your Own

This recipe has become something of a blank canvas in my kitchen over the years, adapting to whatever my pantry offers or what mood strikes. Adding roasted mushrooms brings an earthy complexity that transforms it completely, while a handful of baby spinach stirred in at the end adds color and a nutritional boost.

  • For extra texture, try toasting some walnuts or pine nuts to scatter over the top just before serving.
  • A light drizzle of brown butter with crispy sage leaves elevates this to special-occasion status without much extra effort.
  • If you have leftover roasted squash from another meal, this sauce comes together in minutes, making it perfect for quick weeknight dinners.
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A comforting bowl of Butternut Squash Pasta featuring a rich, golden sauce made from roasted squash, onions, and sage, served hot for a cozy fall meal. Save
A comforting bowl of Butternut Squash Pasta featuring a rich, golden sauce made from roasted squash, onions, and sage, served hot for a cozy fall meal. | amberoregano.com

This butternut squash pasta has seen me through first dates, family gatherings, and quiet nights alone with a good book. Its the kind of recipe that feels like a warm hug from your own kitchen, reliable yet somehow still surprising with each velvety bite.

Recipe FAQs

Can I make this dish vegan?

Yes, simply substitute the heavy cream with full-fat coconut milk and use a vegan Parmesan alternative. The butternut squash sauce will still be creamy and delicious.

What type of pasta works best?

Fettuccine or tagliatelle are ideal because their flat, wide shape holds the creamy sauce perfectly. Fresh or dried pasta both work well, and gluten-free pasta can be substituted if needed.

How do I know when the butternut squash is properly roasted?

The squash is ready when it's fork-tender and has caramelized, golden-brown edges. This typically takes 25-30 minutes at 400°F, and you should turn the pieces halfway through for even cooking.

Can I prepare the sauce ahead of time?

Absolutely. The butternut squash sauce can be made up to 3 days in advance and stored in the refrigerator. Reheat gently and add reserved pasta water to adjust consistency before tossing with freshly cooked pasta.

What additions can enhance this dish?

Sautéed mushrooms add earthiness, wilted spinach provides color and nutrition, and toasted walnuts offer delightful crunch. Crispy fried sage leaves also make an elegant garnish.

Why add nutmeg to the sauce?

A small pinch of nutmeg enhances the natural sweetness of butternut squash and adds warmth without overwhelming the dish. It's traditional in Italian squash preparations and complements the sage beautifully.

Butternut Squash Pasta Creamy Sauce

Velvety roasted butternut squash sauce tossed with fettuccine, finished with Parmesan and fresh sage.

Prep Time
20 mins
Time to Cook
40 mins
Time Needed
60 mins
Recipe by Amber Oregano Caleb Murphy


Skill Level Medium

Cuisine Italian-Inspired

Portion Size 4 Portions

Dietary Info Meat-Free

What to Use

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)

How to Prepare

Step 01

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

Step 02

Roast Squash and Garlic: 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.

Step 03

Roast Until Tender: Roast for 25–30 minutes, turning halfway, until the squash is tender and caramelized at the edges.

Step 04

Cook Pasta: Meanwhile, 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.

What You'll Need

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

Allergy Details

Always check ingredients for allergens and talk to your doctor if unsure.
  • Contains dairy (cream, Parmesan, and possibly pasta).
  • Contains gluten (pasta).
  • For gluten-free: use gluten-free pasta.
  • For dairy-free/vegan: use plant-based cream and cheese alternatives.
  • Always check ingredient labels for allergens if unsure.

Nutrition Details (per serving)

Nutritional data is for info only—consult a professional for health guidance.
  • Energy: 440
  • Total Fat: 17 g
  • Carbohydrates: 61 g
  • Proteins: 12 g