Butternut Squash Pasta Creamy Roasted Sauce

Featured in: Fresh Bowls, Pastas & Greens

This comforting pasta dish transforms roasted butternut squash into a velvety, creamy sauce that coats every strand of fettuccine. The squash gets caramelized in the oven alongside garlic, then blended with sautéed onions, sage, and cream for ultimate richness. A hint of nutmeg and Parmesan adds depth, while fresh parsley brightens the finish.

Ready in about an hour, this vegetarian main serves four and adapts beautifully to vegan preferences using coconut milk and plant-based cheese. The sauce achieves perfect consistency through a splash of reserved pasta water, creating that restaurant-quality texture that makes this dish worthy of special fall gatherings or weeknight indulgence alike.

Updated on Fri, 30 Jan 2026 14:31:51 GMT
A close-up of creamy butternut squash pasta twirled on a fork, glistening with velvety roasted sauce and fresh parsley garnish. Save
A close-up of creamy butternut squash pasta twirled on a fork, glistening with velvety roasted sauce and fresh parsley garnish. | basilpeak.com

The first time I made butternut squash pasta, my apartment smelled like autumn had moved in and made itself comfortable on the couch. I was skeptical about blending vegetables into sauce, but one taste of that velvety, golden goodness changed everything. Now it is the dish my friends request most when the weather turns crisp and they need something that feels like a warm hug.

Last October I made this for a dinner party and watched everyone go silent after their first bites. My friend Sarah actually asked if there was heavy cream in it, then could not believe me when I said the base was mostly roasted vegetables. That moment of watching people discover how good healthy food can be is why I keep cooking.

Ingredients

  • 1 medium butternut squash: Choose one that feels heavy for its size with matte, not glossy skin
  • 2 cloves garlic, unpeeled: Roasting garlic whole mellow the flavor beautifully
  • 1 small yellow onion: Dice it evenly so it cooks at the same rate as the sage
  • 1 tablespoon fresh sage leaves: Fresh sage has an earthy depth that dried cannot match, though dried works in a pinch
  • 2 tablespoons fresh parsley: Adds a bright, fresh contrast to the rich sauce
  • 12 oz dried fettuccine or tagliatelle: The wide noodles hold onto the creamy sauce better than spaghetti
  • 2 tablespoons olive oil: Divide this for roasting the squash and sautéing the onion
  • 1/2 cup heavy cream: Full fat coconut milk creates an equally luscious vegan version
  • 1/3 cup grated Parmesan cheese: Nutritional yeast or vegan Parmesan work perfectly for plant based diets
  • 3/4 cup vegetable broth: Homemade broth adds depth, but store bought is absolutely fine
  • Salt and black pepper: Season generously at each step for the best flavor
  • Pinch of nutmeg: This secret ingredient bridges the gap between savory and sweet

Instructions

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Bake lasagna, casseroles, and roasted dishes evenly, then serve straight from oven to table.
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Roast the squash:
Preheat your oven to 400°F and line a baking sheet with parchment. Spread the cubed squash and unpeeled garlic cloves across the sheet, drizzle with 1 tablespoon olive oil, sprinkle generously with salt and pepper, then toss everything together with your hands until each piece is coated.
Let it caramelize:
Roast for 25 to 30 minutes, flipping everything halfway through, until the squash is tender and has those gorgeous caramelized edges that mean extra flavor.
Start the pasta water:
While the squash roasts, bring a large pot of salted water to boil and cook the pasta until al dente, saving 1/2 cup of the starchy cooking water before draining.
Build the flavor base:
Heat the remaining olive oil in a large skillet over medium heat, then add the diced onion and chopped sage, cooking until the onion softens and becomes fragrant, about 4 minutes.
Blend it all together:
Squeeze the roasted garlic from its skins, then combine it with the roasted squash, sautéed onion and sage, vegetable broth, and cream in a blender, processing until completely smooth and silky.
Create the sauce:
Pour the sauce back into the skillet over low heat, stir in the Parmesan and nutmeg, and season with salt and pepper, adding pasta water if it needs thinning.
Bring it together:
Add the cooked pasta to the sauce and toss gently for 2 to 3 minutes until every strand is coated and warmed through, then serve immediately topped with fresh parsley.
Product image
Bake lasagna, casseroles, and roasted dishes evenly, then serve straight from oven to table.
Check price on Amazon
Golden roasted butternut squash pasta in a shallow bowl, topped with fresh sage and a light dusting of Parmesan cheese. Save
Golden roasted butternut squash pasta in a shallow bowl, topped with fresh sage and a light dusting of Parmesan cheese. | basilpeak.com
Golden roasted butternut squash pasta in a shallow bowl, topped with fresh sage and a light dusting of Parmesan cheese. Save
Golden roasted butternut squash pasta in a shallow bowl, topped with fresh sage and a light dusting of Parmesan cheese. | basilpeak.com

My sister claimed she hated squash until I made this for her birthday dinner. She ended up going back for thirds and now makes it every Sunday during autumn, which feels like the best compliment I could receive.

Making It Your Own

I have learned that this sauce plays well with others, sometimes blending in roasted cauliflower for extra creaminess without the calories. The base is forgiving enough that you can experiment with different winter squashes or add a pinch of smoked paprika if you want a subtle kick.

Serving Suggestions

This pasta creates a complete meal on its own, but a simple green salad with bright vinaigrette cuts through the richness perfectly. I have also served it alongside roasted chicken for non vegetarian guests, though honestly nobody notices the missing meat.

Storage And Reheating

The sauce actually tastes better the next day as the flavors meld together, so I often make a double batch and keep some in the refrigerator for up to four days. Reheat it gently with a splash of water or broth, stirring frequently to prevent separating.

  • Freeze the sauce without pasta for up to three months
  • Undercook the pasta slightly if you plan to reheat it
  • Add fresh herbs right before serving to keep their color bright
A comforting bowl of butternut squash pasta with creamy roasted sauce, ready to serve alongside a crisp green salad. Save
A comforting bowl of butternut squash pasta with creamy roasted sauce, ready to serve alongside a crisp green salad. | basilpeak.com
A comforting bowl of butternut squash pasta with creamy roasted sauce, ready to serve alongside a crisp green salad. Save
A comforting bowl of butternut squash pasta with creamy roasted sauce, ready to serve alongside a crisp green salad. | basilpeak.com

There is something deeply satisfying about turning a simple vegetable into something that feels indulgent, like you have discovered a secret that makes eating well feel like a treat instead of a chore.

Questions & Answers

Can I make the sauce ahead of time?

Yes, prepare the roasted squash puree up to 2 days in advance and store in an airtight container. Reheat gently with a splash of broth or cream before tossing with freshly cooked pasta.

What pasta shapes work best?

Fettuccine, tagliatelle, or pappardelle capture the creamy sauce beautifully. Short pasta like penne or rigatoni also works well, though the coating experience differs slightly from long strands.

How do I achieve the smoothest texture?

Blend the roasted squash thoroughly, allowing at least 2-3 minutes. If your blender struggles, add more broth gradually. Straining through a fine-mesh sieve creates an ultra-silky restaurant-quality finish.

Can I freeze leftover sauce?

Absolutely. Cool completely, portion into freezer-safe bags, and freeze up to 3 months. Thaw overnight in the refrigerator, then reheat slowly while whisking in cream or pasta water to restore consistency.

What herbs complement butternut squash?

Fresh sage, thyme, and rosemary enhance squash's natural sweetness. Sage pairs particularly well when sautéed with onions. For a brighter finish, add chopped parsley or basil just before serving.

Is this dish suitable for meal prep?

The sauce reheats wonderfully, but pasta absorbs sauce overnight. Store components separately and combine when reheating, adding a splash of water or broth to refresh the creamy texture.

Butternut Squash Pasta Creamy Roasted Sauce

Comforting pasta with velvety roasted butternut squash puree sauce, perfect for cozy meals.

Time to Prep
20 min
Time to Cook
40 min
Overall Time
60 min
Recipe by Hailey Evans


Skill Level Medium

Cuisine Italian-Inspired

Portions 4 Number of Servings

Diet Preferences Vegetarian-Friendly

What You'll Need

Vegetables

01 1 medium butternut squash (approximately 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 option)
03 1/3 cup (approximately 1.2 oz) grated Parmesan cheese (or vegan alternative)
04 3/4 cup vegetable broth
05 Salt and freshly ground black pepper, to taste
06 Pinch of nutmeg (optional)

Steps

Step 01

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

Step 02

Roast Squash and Garlic: Arrange cubed butternut squash and unpeeled garlic cloves on the baking sheet. Drizzle with 1 tablespoon olive oil, season with salt and pepper, and toss to coat evenly.

Step 03

Bake Until Tender: Roast for 25 to 30 minutes, turning halfway through, 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 pasta according to package directions until al dente. Reserve 1/2 cup of pasta cooking water then drain.

Step 05

Sauté Aromatics: Heat remaining 1 tablespoon olive oil in a large skillet over medium heat. Add diced onion and chopped sage, cooking until softened and fragrant, approximately 4 minutes.

Step 06

Prepare Sauce: Squeeze roasted garlic cloves out of their 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: Transfer the blended sauce back to the skillet over low heat. Stir in Parmesan cheese and nutmeg if using. Season with salt and pepper. Adjust consistency with reserved pasta water if needed.

Step 08

Combine Pasta and Sauce: Add the cooked pasta to the sauce. Toss gently to coat evenly, warming through for 2 to 3 minutes.

Step 09

Serve: Plate immediately and garnish with chopped parsley and additional Parmesan cheese if desired.

Tools Needed

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

Allergy Advice

Look into all items for allergy risks and talk with a healthcare provider with any concerns.
  • Contains dairy (heavy cream, Parmesan cheese)
  • Contains gluten (pasta)

Nutritional Details (by portion)

Details here are informative and do not replace personalized medical guidance.
  • Caloric Value: 440
  • Fats: 17 g
  • Carbohydrates: 61 g
  • Proteins: 12 g