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Amazing 1-Pot Roasted Butternut Squash Pasta

Oh my gosh, you know how sometimes you just *need* that ultimate comfort dish, but you want it to still feel seasonal and light? That’s exactly where this **Roasted Butternut Squash Pasta With Parmesan Garlic Sauce** swoops in to save the day! Trust me, this recipe is pure magic when those cool autumn evenings hit, combining the earthy sweetness of roasted squash with the sharp, savory punch of a homemade garlic Parmesan sauce.

It’s shockingly easy, fast enough for a Tuesday night, and uses a simple roasting method that deepens the squash flavor beautifully. My absolute favorite part is how the caramelized sweetness of the squash cuts right through the richness of the cream and cheese. It’s rich, it’s savory, and it’s everything you want from a perfect weeknight meal. You won’t believe how quickly this comes together!

Why This Roasted Butternut Squash Pasta With Parmesan Garlic Sauce Works (EEAT)

When you’re cooking, you aren’t just throwing ingredients in a bowl; you’re building a flavor experience! This dish shines because we aren’t shy about maximizing the squash flavor. Roasting it first is non-negotiable; it dries out the excess water and brings out this deep, almost nutty sweetness that you just cannot get from boiling. It’s the absolute key to setting up that wonderful texture contrast later on.

Speaking of squash, here’s my secret for picking one out: always go for the one that feels heavy for its size and has a dull, uniform skin. Avoid any with soft spots or green patches. That’s how you guarantee you get the best, densest flesh to roast! When I make this oven-fried squash, I know I’m starting this pasta off right.

Flavor Profile of Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

The contrast here is what makes people ask for seconds! You get that mellow, caramelized sweetness from the perfectly roasted butternut squash acting as the perfect foil for the sharp, salty depth of the aged Parmesan cheese. Then, BAM! A punch of pungent garlic rounds everything out. It’s warm, it’s savory, and honestly, it feels way fancier than it tastes! It’s an autumnal hug in a bowl, honestly.

Close-up of Roasted Butternut Squash Pasta With Parmesan Garlic Sauce, topped with herbs.

Quick Tips for Perfect Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

You absolutely must grate your Parmesan cheese fresh from a block—don’t bother with the pre-grated stuff; it just turns into dusty sadness here. Another non-negotiable is reserving some of that starchy pasta cooking water. That cloudy water is liquid gold for binding the Parmesan and cream into a silky sauce that clings perfectly to every noodle.

Don’t let your garlic sit too long once it hits the oil either! One minute until fragrant is all you want before you kill the heat. Browned garlic gets bitter, and we are aiming for savory, not bitter!

Essential Ingredients for Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

You need all the players on stage for this one, and nothing too subpar, or the final result just won’t sing! I’ve listed out exactly what I use. Remember, quality really matters when you only have a few main components, especially with that cheese and cream.

For the squash, you need one medium butternut squash that’s peeled, seeded, and cut into bite-sized cubes. Don’t skimp on roasting them; we toss those cubes with about 1 tablespoon of good olive oil, plus salt and pepper before they go into the oven.

For the sauce, you absolutely must have 3 cloves of garlic, minced super fine—we just want the flavor, not big chunky bits! You’ll use 1 cup of heavy cream—make sure it’s the full-fat stuff! And for that savory backbone, we rely on 1/2 cup of freshly grated Parmesan cheese. Seriously, grab a block; those little green shakers won’t do right by this sauce. You’ll also need 1 pound of your favorite pasta, like fettuccine or penne. Never forget to set aside a little bit of that starchy pasta water—it’s our secret emulsifier!

I always check out the steps for other easy garlic Parmesan sauces for general tips, but these core items are what make this squash version shine!

Step-by-Step Instructions for Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

Okay, buckle up, because while this pasta has deep flavor, the assembly process is seriously straightforward! We tackle the squash first because it takes the longest, and then we build that heavenly sauce while the pasta is cooking. It’s all about timing your elements so everything hits the table hot and ready at the same second. If you’ve seen me whip up creamy garlic Parmesan dishes before, you know the sauce assembly is the grand finale!

Roasting the Butternut Squash

First things first: get your oven cranked up to 400°F (200°C). Before that goes in, take your cubed squash and toss it generously with just 1 tablespoon of olive oil, plenty of salt, and black pepper right on the baking sheet. Spread those poor little cubes out so they aren’t piling on top of each other—that’s crucial for getting them nice and browned instead of steamed. We roast these beauties for about 20 to 25 minutes. You’re looking for them to be fork-tender when you poke them and showing off a bit of golden color on the edges.

Preparing the Pasta and Sauce Base

While your squash is getting happy in the oven, get a big pot of salted water boiling for your pasta. Cook it until it’s perfectly al dente—not mushy! The second it’s done cooking, scoop out at least half a cup of that cloudy, starchy cooking water and set it aside; do not drain it all away! Now, grab a large skillet over medium heat and use the remaining tablespoon of olive oil to gently warm up your minced garlic. You only want this cooking for about 60 seconds until it smells amazing. Don’t you dare let that garlic brown, or the whole sauce will taste burnt!

Finishing the Parmesan Garlic Sauce and Combining

As soon as the garlic is fragrant, drop that heat way down to low—we don’t want to scorch anything. Pour in your heavy cream and let it gently warm up. Now, start stirring in that grated Parmesan cheese, slowly, until it melts into a smooth, luscious blanket. If it looks too tight or thick, drizzle in a splash or two of that reserved pasta water until it’s the perfect consistency for coating noodles. Season it up with more salt and pepper if needed!

A fork lifts creamy fettuccine noodles from a bowl of Roasted Butternut Squash Pasta With Parmesan Garlic Sauce, topped with roasted squash cubes.

Finally, dump in your drained pasta and all those gorgeous roasted squash cubes. Toss everything really carefully so every piece of pasta gets coated in that cheesy, garlicky, squashy goodness. Serve it right away, maybe with a sprinkle of fresh parsley if you’re feeling fancy!

Ingredient Substitutions for Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

Don’t panic if you aren’t equipped with everything listed! That’s the beauty of home cooking; we adapt! If you want a totally silky, restaurant-smooth sauce without any texture from the squash chunks, listen to this little trick: just scoop out about half of your roasted squash *before* adding it to the skillet, blend it with the heavy cream until it’s velvety smooth, and then proceed with the cheese. It makes for a beautifully disguised vegetable load!

Also, please use your best quality cheese! I swear by grating Parmigiano-Reggiano because that hard, aged cheese melts cleaner and has a much deeper flavor than milder alternatives. If you’re out of Parmesan, look for another good hard grating cheese. It really anchors the entire dish!

Serving Suggestions for Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

This Roasted Butternut Squash Pasta With Parmesan Garlic Sauce is already wonderfully rich and satisfying on its own, but everything is better with a little something on the side, right? Because the sauce is so creamy and savory, you want a pairing that cuts through that richness with some nice acidity or fresh crunch. I always steer clear of heavy sides here because we want the pasta to be the star!

My go-to choice is always a super simple, bright green salad. Think mixed greens tossed with a sharp lemon vinaigrette, maybe some toasted pecans sprinkled over the top for texture. It’s a palate cleanser right there! Seriously, the tartness of the lemon against the salty cheese is just divine. It’s a perfect, light accompaniment.

But if you are feeling truly cozy on a cold night, you absolutely need good bread for dipping. I’m talking about heavy artillery for cleanup! You want something crusty on the outside that can really soak up every last drop of that leftover Parmesan sauce. I recently made this alongside my recipe for Grandma’s perfect homemade bread, and honestly, using that rustic loaf to mop up the plate was almost better than eating the pasta itself. Don’t judge me; that sauce deserves a proper send-off!

Close-up of Roasted Butternut Squash Pasta With Parmesan Garlic Sauce topped with grated cheese and parsley.

If you’re serving this to company, maybe just a side of lightly sautéed bitter greens, like rapini or Swiss chard, tossed with just a little olive oil and red pepper flakes would be wonderful to balance everything out.

Storage and Reheating Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

We always end up with leftovers because this recipe creates such a satisfying portion! Store any extra Roasted Butternut Squash Pasta With Parmesan Garlic Sauce quickly in an airtight container in the fridge. It honestly holds up well for about three days, but I find the texture is best enjoyed within the first 48 hours.

When you reheat it, though, be warned: the sauce tightens up a lot as it cools down! That’s totally normal. Don’t just microwave it dry. You absolutely need to add a splash—maybe a tablespoon or two—of milk or even just plain water before heating it up gently on the stovetop or in short bursts in the microwave. That little bit of liquid helps loosen the cheese and brings the creaminess right back. It tastes almost as good the next day!

Frequently Asked Questions About Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

You know I love hearing from you all! You’ve been making this Roasted Butternut Squash Pasta With Parmesan Garlic Sauce like crazy, and the questions just keep rolling in. It’s great that you’re tweaking things and trying new variations! Here are some of the most common things folks ask me when preparing this cozy dinner.

Can I make this Roasted Butternut Squash Pasta With Parmesan Garlic Sauce vegan?

That’s a fantastic question! Since this recipe already relies heavily on vegetables, it’s actually a pretty easy conversion. Skip the heavy cream and use full-fat oat milk or cashew cream for that richness. For the cheese, nutritional yeast is your best friend here—it gives you that cheesy, salty umami flavor without any dairy. You’ll need to be generous with it, but you can totally skip the actual Parmesan cheese!

How do I prevent the Parmesan sauce from becoming grainy?

Oh, the dreaded grainy sauce! That happens when the cheese melts too fast or gets too hot, causing the milk solids to separate. My absolute best advice for keeping this Parmesan garlic sauce silky smooth is to take the skillet completely off the heat before you even think about stirring in the cheese. Let the residual warmth melt it slowly. You use low heat to start the cream, but the actual melting of the cheese needs gentle, off-heat encouragement!

Does the prep time really only take 15 minutes?

It does, but only if you’re ready to move! If you’re chopping a squash for the first time, give yourself a full 25 minutes for the prep, especially if you’re new to peeling them—they can be slippery little guys! The 15-minute prep time assumes you have your knife skills down and your ingredients kind of lined up next to the stove. If you have 30 minutes for prep, you’ll be much more relaxed! Check out some more of my mainline main dishes for timing tricks!

Estimated Nutritional Snapshot for This Roasted Butternut Squash Pasta With Parmesan Garlic Sauce

I always have to give a little disclaimer here that these numbers are just estimates, okay? Cooking at home means ingredients vary wildly—my squash might have been bigger than yours, for instance! I calculated this based on average ingredient sizes and standard versions of the dairy products I use. This is helpful for tracking, but remember it’s not lab-tested, just my best guess!

When you look at the stats for this Roasted Butternut Squash Pasta With Parmesan Garlic Sauce, you can see it’s definitely a richer meal because of that cream and Parmesan, but you’re also getting a solid chunk of protein and fiber from the squash and the pasta itself. It’s satisfying, that’s for sure!

  • Serving Size: 1 serving
  • Calories: 650
  • Sugar: 10g
  • Sodium: 450mg
  • Fat: 35g
  • Saturated Fat: 18g
  • Unsaturated Fat: 12g
  • Trans Fat: 1g
  • Carbohydrates: 65g
  • Fiber: 7g
  • Protein: 22g
  • Cholesterol: 75mg

See that 7g of fiber? That’s the squash putting in the work! It balances out the richness of the sauce beautifully. You should feel good about sitting down to a bowl of this!

Share Your Roasted Butternut Squash Pasta With Parmesan Garlic Sauce Creations

Alright, my food friends, now the ball is in your court! You’ve roasted the squash, you’ve melted the cheese, and I bet your kitchen smells incredible right now. I am dying to know how your version of the **Roasted Butternut Squash Pasta With Parmesan Garlic Sauce** turned out!

Seriously, don’t be shy! Head down to the comments section right now and give this recipe a star rating. Did you add a pinch of nutmeg? Did you use fettuccine or penne this time? I want all the details!

If you snap a picture of that beautiful, creamy plate—maybe garnished with extra fresh parsley or a little black pepper dust—please tag me on social media! Seeing your home cooking honestly makes my day. It proves that delicious, comforting fall food is achievable for everyone, even on a busy weeknight.

If anything surprised you, or if you found a trick that made the sauce even smoother, please share it in the feedback—that way, we all learn together! If you have any lingering questions about this recipe or anything else, you can always reach out to me directly through my contact page. Happy cooking, and I can’t wait to see what you create!

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Close-up of Roasted Butternut Squash Pasta with Parmesan Garlic Sauce, topped with fresh parsley.

Roasted Butternut Squash Pasta with Parmesan Garlic Sauce


  • Author: recipebychefs.com
  • Total Time: 45 min
  • Yield: 4 servings 1x
  • Diet: Vegetarian

Description

A simple pasta dish featuring roasted butternut squash mixed into a creamy parmesan and garlic sauce.


Ingredients

Scale
  • 1 medium butternut squash, peeled, seeded, and cubed
  • 2 tablespoons olive oil, divided
  • 1 pound pasta (e.g., fettuccine or penne)
  • 3 cloves garlic, minced
  • 1 cup heavy cream
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup reserved pasta water
  • Salt to taste
  • Black pepper to taste
  • Fresh parsley, chopped, for garnish

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. Toss the cubed butternut squash with 1 tablespoon of olive oil, salt, and pepper. Spread on a baking sheet.
  3. Roast the squash for 20 to 25 minutes, or until tender and lightly browned. Set aside.
  4. Cook the pasta according to package directions until al dente. Reserve about 1/2 cup of the pasta cooking water before draining.
  5. While the pasta cooks, heat the remaining 1 tablespoon of olive oil in a large skillet over medium heat. Add the minced garlic and cook for 1 minute until fragrant. Do not let it brown.
  6. Reduce the heat to low. Pour in the heavy cream and bring to a gentle simmer.
  7. Stir in the grated Parmesan cheese until the sauce is smooth. If the sauce is too thick, add a few tablespoons of the reserved pasta water until you reach your desired consistency. Season with salt and pepper.
  8. Add the drained pasta and the roasted butternut squash to the skillet with the sauce. Toss gently to coat everything evenly.
  9. Serve immediately, garnished with fresh chopped parsley.

Notes

  • For a smoother sauce, you can blend half of the roasted squash with the cream before adding the cheese.
  • Use a hard cheese like Parmigiano-Reggiano for the best flavor.
  • Prep Time: 15 min
  • Cook Time: 30 min
  • Category: Dinner
  • Method: Roasting and Stovetop
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 650
  • Sugar: 10
  • Sodium: 450
  • Fat: 35
  • Saturated Fat: 18
  • Unsaturated Fat: 12
  • Trans Fat: 1
  • Carbohydrates: 65
  • Fiber: 7
  • Protein: 22
  • Cholesterol: 75

Keywords: butternut squash, pasta, parmesan, garlic sauce, vegetarian dinner, roasted vegetables

Recipe rating