Butternut Squash Ravioli in Brown Butter Sage Sauce

The butter changes fast: first it melts quietly, then brown flecks collect in the skillet and a nutty smell rises. That’s the moment to add the sage; give the butter…

By Willow • October 25, 2026 • Reading time: 8 min

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The butter changes fast: first it melts quietly, then brown flecks collect in the skillet and a nutty smell rises. That’s the moment to add the sage; give the butter another minute and those delicate leaves have less room to turn crisp without scorching. I make this butternut squash ravioli in brown butter sage sauce when refrigerated pasta needs a finish that feels special without adding another complicated part to dinner. The sauce comes together in the skillet, and the ravioli cook while the butter browns.

Butternut squash filling is naturally sweet, so the sauce needs to balance it rather than cover it up. Fresh sage brings an earthy edge, black pepper adds a little warmth, and finely grated Parmesan rounds out the butter without turning the dish into a heavy cream sauce. The finished ravioli should look glossy, with the sauce clinging to the pasta and crisp sage scattered among the pieces.

Why the Pasta Water Belongs in the Skillet Before the Parmesan

The reserved cooking water does more than loosen the butter. As ravioli cook, a little starch escapes into the pot, and that starchy water helps the butter cling to the pasta instead of gathering in a slick at the bottom of the skillet. Add it while tossing the ravioli and the sauce turns glossy, with enough body to coat each piece.

Parmesan goes in after the skillet comes off the heat. High heat can make grated cheese seize into little clumps rather than blend smoothly into the sauce, especially when it hits hot butter directly. Let the pasta water and butter come together first, then toss in the cheese gently. The result stays light enough for the squash filling to come through, but the sauce still feels complete. If the sauce looks loose at first, keep tossing gently; it needs a moment to come together around the ravioli.

Why Fresh Sage and Finely Grated Parmesan Matter in This Sauce

• Unsalted butter — It browns into the base of the sauce, so a standard grocery-store butter works well; there’s no need to seek out a specialty brand. Unsalted butter also gives you more control over the overall saltiness alongside the salted pasta water and Parmesan.
• Fresh sage — Fresh leaves turn crisp in the butter and bring a clean, earthy aroma. Dried sage won’t give you that texture or the same fresh character, so it isn’t a like-for-like replacement here.
• Refrigerated butternut squash ravioli — The squash filling gives the sauce its sweet, savory contrast. Choose a package that looks intact and follow its cooking directions, since ravioli thickness and cook time vary by brand.
• Finely grated Parmesan — Fine shreds melt into the sauce more evenly than thick pieces. A block grated just before cooking is a good choice, though a finely grated packaged Parmesan works when that’s what you have.
• Freshly ground black pepper — Grinding it fresh gives the butter a more fragrant, lively finish. Pre-ground pepper will season the sauce too, but its flavor is less pronounced.

The Three Moments That Keep the Ravioli Tender and the Sauce Glossy

Brown the butter, then crisp the sage

Melt the butter in a 12-inch skillet over medium heat, swirling often as it foams and begins to change color. After 3–5 minutes, look for brown flecks and a nutty smell; don’t wait for the butter to turn dark all over. Add the sage leaves and cook for 30–45 seconds, until crisp. Take the skillet off the heat before stirring in the black pepper.

Cook the ravioli gently in salted water

Bring 4 quarts of water and the kosher salt to a boil in an 8-quart pot. Add the refrigerated ravioli and cook according to the package directions, usually 3–5 minutes, giving them one gentle stir so they don’t stick together. They’re ready when tender and floating. Reserve 1/2 cup of the cooking water, then lift the ravioli into the skillet with a slotted spoon rather than tipping them into a colander.

Toss until the butter coats each piece

Add the reserved cooking water to the skillet and toss the ravioli gently over medium-low heat for 1–2 minutes. The sauce should look glossy and cling to the pasta instead of pooling separately in the pan. Remove the skillet from the heat before adding the Parmesan, then toss gently to combine. Rough stirring at this point can break tender ravioli, so use a light hand.

Small Changes That Shift the Squash-and-Sage Balance

Questions That Come Up While Cooking Butternut Ravioli

Butternut Squash Ravioli in Brown Butter Sage Sauce

Butternut squash ravioli with brown butter sage sauce pairs tender, filled pasta with crisp sage leaves and nutty browned butter. Tossed with Parmesan, it comes together on the stovetop in a glossy sauce that clings to every ravioli.

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Prep Time 5 minutes mins

Cook Time 15 minutes mins

Total Time 20 minutes mins

Servings: 4 servings

Course: Dinner

Cuisine: Italian

Calories: 650

Ingredients Equipment Method Notes

Ingredients

  

For the brown butter sage sauce

• 8 tbsp butter unsalted
• 12 leaves sage fresh
• 0.25 tsp black pepper freshly ground

For cooking the ravioli

• 4 qt water
• 1 tbsp kosher salt

For the ravioli

• 2 package (10 oz) butternut squash ravioli refrigerated

For finishing

• 0.33 cup Parmesan cheese finely grated

Equipment

• 1 12-inch skillet
• 1 8-quart pot

Method

 

Make the brown butter sage sauce

1. Melt the butter in a 12-inch skillet over medium heat, swirling often, for 3-5 minutes, until brown flecks appear and it smells nutty.
2. Add the sage leaves and cook for 30-45 seconds, until crisp.
3. Remove the skillet from the heat and stir in the black pepper.

Cook the ravioli

1. Bring the water and kosher salt to a boil in an 8-quart pot.
2. Add the ravioli and cook according to the package directions, usually 3-5 minutes, gently stirring once, until tender and floating.
3. Reserve 1/2 cup cooking water, then transfer the ravioli to the skillet with a slotted spoon.

Finish and serve

1. Add the reserved cooking water to the skillet and toss gently over medium-low heat for 1-2 minutes, until the sauce is glossy and coats the ravioli.
2. Remove from the heat, add the Parmesan, and toss gently to combine.

Notes

For the best flavor, brown the butter until brown flecks appear and it smells nutty, without letting it burn. Refrigerate leftovers in an airtight container for up to 3 days; freezing is not recommended after cooking. For a dairy-free swap, use dairy-free butter and a dairy-free Parmesan alternative.