Creamy Butternut Squash Pasta Sauce Recipe

Featured in Sauces & Marinades.

Create a rich, velvety butternut squash pasta sauce with simple ingredients and tips for the perfect balance of flavors.
Casey - Recipe Author
Updated on Fri Jan 09 2026 at 08:46 AM
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Creamy Butternut Squash Pasta Sauce Recipe | Recipes by HomeChef

Okay, so picture this: it's a blustery autumn evening, the kind where you just want to curl up on the couch with a warm blanket and something delicious. That's when my love affair with this creamy butternut squash pasta sauce really began. Honestly, I stumbled upon it accidentally a rogue butternut squash in my fridge, a pasta craving, and a whole lot of kitchen improvisation. The result? Pure magic. The smell alone warm spices, sweet squash, a hint of nutty parmesan it's like a hug in a bowl. To be real, my first attempt was…a bit lumpy. I’d overcooked the squash, resulting in a slightly gritty texture. Oops! But I persevered, tweaking it until I got this perfectly smooth, velvety sauce. And let me tell you, this dish has become a staple in my kitchen ever since. It's the ultimate comfort food creamy, flavorful, and surprisingly easy to make. Plus, leftovers are amazing!

Why You'll Love This Recipe

  • Seriously easy even on a chaotic weeknight!
  • Great for picky eaters (even my nephew loves it!)
  • Comfort food perfection it's like a warm hug in a bowl
  • Perfect for cozy nights in or romantic date nights
  • Meal-prep dream make a big batch and enjoy it all week
  • That emotional appeal? It hits different.

I remember one time, I was making this for a friend's birthday dinner. I got so caught up in chatting that I forgot to add the nutmeg! The sauce was still good, but it definitely lacked that special something. Lesson learned: always check your spice rack before you start!

Ingredients

  • Butternut Squash (2 medium): The star of the show! I roast mine for the best flavor; it gets so sweet and caramelized. Don't skip this step!
  • Onion (1 large, yellow): I always use yellow adds a nice sweetness. You could use white, but I've found the yellow works best for me.
  • garlic (4-6 cloves): Fresh garlic is a must! The more, the merrier, in my opinion. I love that pungent aroma as it sizzles in the pan.
  • Vegetable Broth (2 cups): I prefer low-sodium broth so I can control the saltiness. Don't use chicken broth unless you want a totally different flavor profile.
  • Heavy Cream (1 cup): Don't use skim milk, just don't. The richness of the heavy cream is essential for that creamy texture. Trust me on this one.
  • Pasta (1 lb): My go-to is rigatoni, but any short pasta will work. I tried it with spaghetti once, and it was...okay, but not as good.
  • Parmesan Cheese (1/2 cup, grated): Freshly grated is best! You can feel the difference, honestly. I've tried pre-grated, but it just isn't the same.
  • Seasonings & Spices: Salt, black pepper, nutmeg (a pinch), sage (1 tsp, dried or fresh). Don't forget the nutmeg! It's what makes this dish special.
  • Garnish & Toppings: Fresh sage leaves, extra parmesan cheese, a drizzle of olive oil.

Instructions

Step 1: Roast the Butternut Squash:
Preheat oven to 400°F. Cut butternut squash into 1-inch cubes. Toss with olive oil, salt, and pepper. Roast for 30-40 minutes, or until tender. This is where the magic happens! The roasting brings out the squash's natural sweetness. I always forget to flip them halfway through, oops!
Step 2: Sauté the Aromatics:
While the squash is roasting, sauté the chopped onion and garlic in olive oil until softened. This step builds the flavor base of the sauce. I usually add a pinch of salt here to help draw out the moisture.
Step 3: Blend the Sauce:
Add the roasted butternut squash, vegetable broth, and sage to the pot with the onion and garlic. Bring to a simmer. Once simmering, use an immersion blender to puree the sauce until completely smooth. If you don't have an immersion blender, you can use a regular blender just be careful blending hot liquids!
Step 4: Add the Cream:
Stir in the heavy cream and parmesan cheese. Simmer for another 5 minutes, or until the sauce has thickened slightly. This is where the sauce gets its luxurious, velvety texture. Don't overcook it you want it creamy, not separated.
Step 5: Cook the Pasta:
Cook your pasta according to package directions. Remember to salt the water generously! This is where I always forget to salt the water...don't be like me!
Step 6: Combine and Serve:
Drain the pasta and add it to the sauce. Toss to coat. Serve immediately, garnished with fresh sage leaves, extra parmesan cheese, and a drizzle of olive oil. The final result should be warm, comforting, and utterly delicious. The smell is heavenly so cozy!

Making this recipe always reminds me of fall the cozy vibes, the warm spices...it's just pure comfort. One time, I made a huge batch for a potluck and everyone raved about it! It's a true crowd-pleaser.

Storage Tips

This sauce stores beautifully! I usually store it in an airtight container in the fridge for up to 3 days. I microwaved it once and the sauce separated so don't do that lol. Reheating on the stovetop works best. The flavors actually seem to deepen after a day or two in the fridge!

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Creamy Butternut Squash Pasta Sauce Recipe - Image 1 | Recipes by HomeChef

Ingredient Substitutions

I've experimented with a few substitutions. Once, I used sweet potato instead of butternut squash it was good, but not quite the same. You could also try adding different herbs like thyme or rosemary. I haven't tried it yet, but I bet it would be amazing! For the cream, you could probably use coconut milk for a vegan version, but I haven't tried that either.

Serving Suggestions

This dish is so versatile! I love it with a side salad and crusty bread. A simple green salad with a light vinaigrette cuts through the richness of the sauce perfectly. For drinks, a crisp white wine or a light beer pairs well. Honestly, this dish and a rom-com? Yes, please!

Cultural Backstory

This recipe isn't tied to any specific culture, but it's become a significant part of my autumn traditions. It's my go-to comfort food when the weather turns cold and I crave warmth and coziness. It's a simple dish, but it brings so much joy and that's what makes it special.

This recipe is more than just a meal; it's a warm hug on a plate. It's about simple ingredients, delicious flavors, and the joy of creating something comforting. I hope you love it as much as I do! Share your versions with me!

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Frequently Asked Questions

→ Can I make this ahead of time?

Absolutely! The sauce tastes even better the next day. Make it a day ahead and enjoy!

→ What if I don't have heavy cream?

You could try using full-fat coconut milk for a creamier texture, but the taste will be different.

→ How do I get the sauce perfectly smooth?

Use an immersion blender for the best results. A regular blender works too, but be careful with hot liquids!

→ How long does the leftover sauce last?

Store it in an airtight container in the fridge for up to 3 days. Reheat gently on the stovetop.

→ Can I add other vegetables?

Yes! Sautéed mushrooms or spinach would be delicious additions.

Creamy Butternut Squash Pasta Sauce Recipe

Create a rich, velvety butternut squash pasta sauce with simple ingredients and tips for the perfect balance of flavors.

4.7 out of 5
(32 reviews)
Prep Time
20 Minutes
Cook Time
45 Minutes
Total Time
65 Minutes
By: Casey

Category: Sauces & Marinades

Difficulty: Beginner

Cuisine: Italian

Yield: 4 Servings

Dietary: Vegetarian

Published: Tue Jul 15 2025 at 11:27 PM

Last Updated: Fri Jan 09 2026 at 08:46 AM

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Ingredients

→ Main Ingredients

01 2 medium Butternut Squash
02 1 large Yellow Onion
03 4-6 cloves Garlic
04 2 cups Vegetable Broth
05 1 cup Heavy Cream
06 1 lb Pasta
07 1/2 cup Grated Parmesan Cheese

→ Seasonings & Spices

08 Salt
09 Black Pepper
10 Nutmeg (a pinch)
11 Sage (1 tsp, dried or fresh)

→ Garnish & Toppings

12 Fresh sage leaves
13 Extra parmesan cheese
14 Olive oil

→ Optional Extras

15 Mushrooms
16 Spinach
17 White wine or sherry

Instructions

Step 01

Preheat oven to 400°F. Cut butternut squash into 1-inch cubes. Toss with olive oil, salt, and pepper. Roast for 30-40 minutes, or until tender.

Step 02

While the squash is roasting, sauté the chopped onion and garlic in olive oil until softened.

Step 03

Add the roasted butternut squash, vegetable broth, and sage to the pot. Bring to a simmer. Use an immersion blender to puree until smooth.

Step 04

Stir in the heavy cream and parmesan cheese. Simmer for 5 minutes, or until thickened.

Step 05

Cook pasta according to package directions. Salt the water generously!

Step 06

Drain the pasta and add it to the sauce. Toss to coat. Serve immediately, garnished.

Notes

  1. Roasting the squash brings out its sweetness.
  2. Store leftover sauce in an airtight container in the fridge for up to 3 days.
  3. Sweet potato can be used instead of butternut squash (but it tastes different).
  4. Serve with crusty bread and a simple green salad.

Tools You'll Need

  • Oven
  • large pot
  • immersion blender (or regular blender)
  • cutting board
  • knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Gluten (depending on pasta)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 450 Calories
  • Total Fat: 25 grams
  • Total Carbohydrate: 50 grams
  • Protein: 15 grams

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