I absolutely love this Creamy Butternut Squash Pasta with Sage and Cashews Recipe because it blends cozy autumn flavors with a velvety texture that feels like a hug in a bowl. When I first tried this dish, I was blown away by how the cashews turn into an ultra-smooth sauce that’s both dairy-free and indulgent, making it perfect for anyone looking for a comforting meal without the heaviness.

You’ll find that this pasta shines on chilly nights or whenever you want something a bit special but simple to whip up. Plus, with the earthy fresh sage and a hint of nutritional yeast, the flavor profile is so satisfying that my whole family goes crazy for it every time I make it.

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Why You’ll Love This Recipe

  • Creamy & Dairy-Free: The cashews create a luscious, creamy sauce without any cream or cheese.
  • Simple Yet Flavorful: Roasting the squash and shallots enhances sweetness, balanced by fresh herbs and tangy balsamic vinegar.
  • Perfect for Any Season: While it feels autumnal, the fresh sage and thyme make it great year-round.
  • Family-Friendly Comfort: It’s a crowd-pleaser that’s easy enough for weeknights but special enough for guests.

Ingredients You’ll Need

Each ingredient in this Creamy Butternut Squash Pasta with Sage and Cashews Recipe plays a key role in creating depth and richness. Sourcing fresh herbs and a good-quality olive oil really elevates the final dish, so don’t skimp there.

  • Butternut squash: Select one small to medium-sized squash that’s firm and unblemished for the best flavor and texture.
  • Shallots: They roast beautifully and add a sweet, mild onion flavor that complements the squash.
  • Garlic cloves: Roasting with the peel on softens the sharpness and brings out a mellow richness.
  • Raw cashews: Soak them if you can, but if you’re short on time, blending them as is still works great.
  • Extra-virgin olive oil: Adds silky richness and helps meld all the flavors together.
  • Nutritional yeast: This little ingredient brings a subtle cheesy, nutty undertone without dairy.
  • Balsamic vinegar: Just a splash adds brightness and depth to the sauce.
  • Fresh sage leaves: Their earthy, slightly peppery flavor is the star herb here.
  • Fresh thyme leaves: Adds a delicate herbal note and freshness; a sprinkle at the end brightens each bite.
  • Rotini pasta: Its spirals hold onto the sauce nicely, but fusilli or penne work well too.
  • Sea salt and freshly ground black pepper: Essential for proper seasoning throughout each step.
  • Sauteed broccoli (optional): Adds texture and color, plus some greens to balance the richness.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love making this Creamy Butternut Squash Pasta with Sage and Cashews Recipe mine by swapping in different herbs or nuts, depending on what’s in my pantry. Don’t hesitate to get creative with it — that’s part of what makes this dish so fun to cook.

  • Nut Variation: I once tried using toasted almonds instead of cashews for a slightly different nutty flavor, and it was a delightful twist.
  • Herb Substitution: If you don’t have fresh sage, substitute with rosemary or a mix of parsley and oregano for a different herby vibe.
  • Add Protein: Stir in cooked chickpeas or crispy tofu to boost the protein content and make it a heartier meal.
  • Veggie Boost: Roasted cauliflower or sautéed mushrooms mixed in give it an earthier touch and add texture variety.

How to Make Creamy Butternut Squash Pasta with Sage and Cashews Recipe

Step 1: Roast the Butternut Squash and Aromatics

Preheat your oven to 425°F and line a baking sheet with parchment paper. Drizzle the halved, seeded butternut squash with olive oil and sprinkle with salt and pepper, then place it cut side down on the baking sheet. Next, wrap your coarsely chopped shallots and unpeeled garlic cloves in foil with a little olive oil and salt, then place them on the same sheet. Roast everything for 30 minutes until the squash is soft and tender—this roasting process is key because it brings out the natural sweetness and a deep, caramelized flavor you’ll want in your sauce.

Step 2: Blend the Creamy Sauce

Once roasted, scoop out 1 cup of the squash flesh and add it to your blender along with the roasted shallots (peeled) and garlic (squeezed out of the skins), plus ¾ cup water, raw cashews, olive oil, nutritional yeast, balsamic vinegar, fresh sage and thyme leaves, and a good pinch of salt and pepper. Blend everything until it transforms into a luscious, smooth sauce. If it’s too thick, add a little more water until it reaches the perfect creamy consistency. This sauce is what makes this dish so special—rich, velvety, and packed with flavor.

Step 3: Cook the Pasta and Combine

Cook 12 ounces of rotini pasta according to the package directions in well-salted boiling water. Before draining, reserve a cup of the pasta water — I always keep this handy because it helps loosen the sauce and helps it cling to the pasta beautifully. Drain the pasta and return it to the pot, then stir in the creamy squash sauce. Add between ½ and 1 cup of the reserved pasta water to get the sauce to coat every spiral just right without being gloopy. Taste and adjust seasoning with extra salt or pepper if needed.

Step 4: Add Final Touches and Serve

For an optional veggie boost, toss in some sautéed broccoli, which adds freshness and a slight crunch. Sprinkle a few fresh thyme leaves and extra black pepper on top. Drizzle with a little extra virgin olive oil for that glossy finish. Serve immediately and watch everyone dive in!

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Pro Tips for Making Creamy Butternut Squash Pasta with Sage and Cashews Recipe

  • Roasting Brings Sweetness: Don’t rush the roasting—letting the squash and shallots caramelize adds natural sweetness that elevates the sauce.
  • Blend Until Ultra-Smooth: I blitz the sauce for a few extra seconds to get it silky, which makes all the difference in mouthfeel.
  • Reserved Pasta Water Magic: Adding pasta water thins the sauce without watering down flavor and helps it cling perfectly to the noodles.
  • Don’t Skip Fresh Herbs: Adding fresh sage and thyme at the end brightens the earthy flavors beautifully—you’ll want that herbal pop every time.

How to Serve Creamy Butternut Squash Pasta with Sage and Cashews Recipe

The image shows a white bowl filled with spiral pasta covered in a smooth, creamy yellow sauce. The pasta is topped with small green herb leaves scattered evenly for decoration. A silver fork is placed inside the bowl on the right side, with its handle resting on the bowl's edge. The bowl sits on a white marbled surface with fresh green herb leaves and a small round wooden plate with red flakes nearby. A gray cloth is partly visible on the right side of the bowl. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

I love topping this pasta with extra fresh thyme leaves and a drizzle of good olive oil just before serving—the aroma and glossy shine make it look restaurant-worthy. Sometimes I also sprinkle toasted pumpkin seeds or crushed cashews on top for a little unexpected crunch, which is always a hit.

Side Dishes

To round out the meal, I often serve this pasta with simply sautéed greens like kale or spinach, or a crisp green salad with a tangy vinaigrette to cut through the creaminess. Roasted Brussels sprouts with a squeeze of lemon also pair beautifully if you want something warm and hearty.

Creative Ways to Present

For special occasions, I’ve plated this pasta with a sprinkle of edible flowers and a swirl of herb oil for extra color and freshness. Serving it in shallow bowls and finishing with a sprinkle of nutritional yeast or vegan parmesan adds that wow factor for guests without extra fuss.

Make Ahead and Storage

Storing Leftovers

I store any leftover Creamy Butternut Squash Pasta with Sage and Cashews Recipe in an airtight container in the fridge for up to 3 days. The sauce thickens as it cools, so I always add a splash of water or unsweetened plant milk when reheating to bring back that creamy texture.

Freezing

This pasta freezes well if you want to prep in advance, though I recommend freezing the sauce separately from the pasta when possible to preserve texture. Thaw overnight in the fridge and reheat gently on the stove, stirring frequently.

Reheating

I reheat leftovers gently in a skillet over medium-low heat, adding a splash of reserved pasta water or plant milk to loosen the sauce as it warms. Stirring constantly helps keep it smooth and makes it just as delicious as freshly made.

FAQs

  1. Can I make this Creamy Butternut Squash Pasta with Sage and Cashews Recipe vegan?

    Absolutely! This recipe is naturally vegan as it uses cashews and nutritional yeast to create a creamy, cheesy flavor without any dairy. Just be sure to use vegan-friendly pasta to keep it fully plant-based.

  2. Do I need to soak the cashews before blending?

    While soaking cashews for 30 minutes to an hour makes for an even creamier sauce, it’s not essential if you’re short on time. The raw cashews blend fine as long as your blender is powerful enough. If you find the texture grainy, a quick soak can help smooth it out.

  3. Can I use a different pasta shape?

    Definitely! Rotini is great for holding sauce, but penne, fusilli, or even rigatoni work well too. Just choose a shape you enjoy and that’s easy to cook to al dente.

  4. What can I substitute if I don’t have nutritional yeast?

    You can leave it out if needed, but nutritional yeast adds a nice savory, slightly cheesy flavor. As a substitute, you might try grated vegan parmesan or a small splash of soy sauce or tamari for umami depth.

  5. How do I store leftovers without the pasta getting mushy?

    Storing leftover sauce and pasta separately works best to maintain texture. If that’s not possible, try to use them within a day or two and reheat gently with added liquid to refresh the sauce.

Final Thoughts

This Creamy Butternut Squash Pasta with Sage and Cashews Recipe is one of those dishes I keep coming back to whenever I want something comforting but also nourishing. It’s easy enough to fit into busy weeknights yet feels like a special treat, especially when served with your favorite sides and a sprinkle of fresh herbs. I really hope you try making it soon—there’s something so satisfying about that smooth, herby sauce coating every bite. Enjoy every creamy, flavorful mouthful!

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Creamy Butternut Squash Pasta with Sage and Cashews Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.9 from 130 reviews
  • Author: Lauren
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: Serves 4
  • Category: Main Course
  • Method: Roasting
  • Cuisine: American
  • Diet: Vegan

Description

This Creamy Butternut Squash Pasta is a comforting, flavorful dish featuring roasted butternut squash blended into a luscious cashew-based sauce with fresh herbs and nutritional yeast. Served over al dente rotini pasta and optionally garnished with sautéed broccoli, it offers a rich, dairy-free alternative perfect for cozy dinners.


Ingredients

Units Scale

Vegetables and Herbs

  • 1/2 small butternut squash, halved vertically and seeded
  • 2 shallots, coarsely chopped (2/3 cup)
  • 3 garlic cloves, unpeeled
  • 10 fresh sage leaves
  • 1 tablespoon fresh thyme leaves, plus more for garnish
  • Sauteed broccoli, for serving (optional)

Liquids and Oils

  • 3/4 cup water
  • 2 tablespoons extra-virgin olive oil, plus more for drizzling
  • 1 tablespoon balsamic vinegar

Dry Ingredients

  • 1/2 cup raw cashews
  • 1 tablespoon nutritional yeast
  • Sea salt and freshly ground black pepper, to taste
  • 12 ounces rotini pasta

Instructions

  1. Preheat and Prepare Vegetables: Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper. Drizzle the cut side of the butternut squash with olive oil, then season with sea salt and freshly ground black pepper. Place the squash cut-side down on the baking sheet. Wrap the shallots and unpeeled garlic cloves in foil with a drizzle of olive oil and a pinch of salt, then place this packet on the baking sheet next to the squash.
  2. Roast the Vegetables: Roast the squash, shallots, and garlic in the oven for about 30 minutes or until the squash is fork-tender.
  3. Prepare the Sauce: Once roasted, measure 1 cup of the butternut squash flesh and transfer it to a blender. Add the coarsely chopped roasted shallots, peeled roasted garlic, ¾ cup water, raw cashews, 2 tablespoons olive oil, nutritional yeast, balsamic vinegar, sage leaves, fresh thyme, ¾ teaspoon salt, and freshly ground black pepper. Blend the mixture until it achieves a smooth, creamy consistency.
  4. Cook the Pasta: Meanwhile, cook the rotini pasta in a large pot of salted boiling water according to package instructions until al dente. Reserve 1 cup of the hot pasta water before draining.
  5. Toss Pasta with Sauce: Drain the pasta and return it to the pot. Stir in the creamy butternut squash sauce. Add ½ to 1 cup of the reserved pasta water as needed to loosen the sauce and coat the pasta evenly. Season with additional salt (¼ to ½ teaspoon) and freshly ground black pepper to taste.
  6. Serve: Garnish with fresh thyme leaves and, if desired, sautéed broccoli for added texture and flavor. Serve hot and enjoy your creamy butternut squash pasta!

Notes

  • For a nuttier flavor, toast the raw cashews lightly before blending.
  • Use gluten-free pasta if you want a gluten-free version.
  • To save time, you can roast the squash, shallots, and garlic a day ahead and refrigerate.
  • The sauce can be thinned with additional pasta water or water if it’s too thick.
  • Sautéed broccoli adds a nice crunch and nutritional boost but is optional.

Nutrition

  • Serving Size: 1 serving (approx. 1/4 of recipe)
  • Calories: 420 kcal
  • Sugar: 5 g
  • Sodium: 320 mg
  • Fat: 18 g
  • Saturated Fat: 2.5 g
  • Unsaturated Fat: 14 g
  • Trans Fat: 0 g
  • Carbohydrates: 52 g
  • Fiber: 7 g
  • Protein: 12 g
  • Cholesterol: 0 mg

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