Butternut Squash Sausage Lasagna

Butternut Squash Sausage Lasagna bubbling with golden cheese, roasted squash visible  Save to Pinterest
Butternut Squash Sausage Lasagna bubbling with golden cheese, roasted squash visible | simplepinsuppers.com

Roast diced butternut with oil, salt and pepper at 200°C (400°F) until caramelized, then brown Italian sausage with onion and garlic. Stir ricotta with egg and Parmesan for a creamy layer. Assemble no‑boil noodles with sauce, ricotta, sausage, squash and mozzarella in a 9x13 pan; cover and bake at 180°C (350°F) 30 minutes, uncover 15–20 minutes until golden. Rest before slicing and garnish with basil.

There’s this distinct sound that comes from cubing up a butternut squash on a well-worn cutting board—thunks and scrapes that somehow mark the beginning of something cozy. I stumbled upon this lasagna one October when a surplus of squash and a stray package of sausage were the only things left after a lopsided grocery run. Instead of fussing over the gap between classic and new, I decided to layer my way through the uncertainty. The result surprised me in all the right ways, melding sweet, savory, and creamy with each forkful.

I once made this in the middle of a noisy week and invited a few friends, thinking I’d have plenty of leftovers. The pan disappeared in under an hour, with everyone scraping the corners for that extra caramelized cheese. Someone even asked if they could take a piece home for their lunch, which felt like the ultimate approval. We laughed over the slightly messy layers, and no one cared that a few noodles tried to slide out of place.

Ingredients

  • Butternut squash: Roasting brings out a natural sweetness and caramelizes the edges; be sure to cut it into even cubes for uniform texture.
  • Olive oil: A good drizzle helps the squash roast beautifully and keeps the onions from catching in the pan.
  • Yellow onion: The base to nearly every great savory bake—cook until translucent for a mellow, sweet undertone.
  • Garlic: This small addition builds a savory backbone; mince it finely so it melds into the sauce.
  • Kosher salt and black pepper: Always taste as you go—the difference between bland and bold lies here.
  • Italian sausage: Go with spicy if you love heat, but mild works for a cozy crowd-pleaser; brown it well and break into chunks.
  • Ricotta cheese: This acts as the creamy glue between layers, especially after mixing with a fresh egg.
  • Mozzarella cheese: For that perfect, melty top; shredding it by hand gives you soft, longer melts.
  • Parmesan cheese: Salty, nutty, and a nudge above—scatter it between layers and always on top for best results.
  • Large egg: One is enough to help the ricotta set and hold everything together without being heavy.
  • No-boil lasagna noodles: Quick and fuss-free, just layer in and let the sauce do the magic; regular noodles work too if pre-cooked.
  • Tomato sauce or marinara: Pick your favorite jar or homemade batch—quality matters since it ties everything together.
  • Dried oregano: Throws in unmistakable Italian warmth, but don’t overdo it.
  • Dried sage or thyme: These give a nod to autumn flavors; just a sprinkle is all it takes.
  • Ground nutmeg: Barely a hint, but it’s what makes the ricotta sing and the squash pop.
  • Fresh basil: Optional, but the color and scent at the end make it look and taste like you meant to impress.

Instructions

Roast the squash:
Preheat your oven to 200°C (400°F), toss squash cubes with a tablespoon of olive oil, a big pinch of salt, and black pepper, then spread them on a tray for even roasting; your kitchen will smell wonderfully nutty and sweet when they’re ready after 20–25 minutes.
Prepare the base:
As the squash roasts, warm the rest of the olive oil in a skillet, soften your onions until they’re see-through, then add the garlic until aromatic—breathe it in and watch for that golden shimmer.
Brown the sausage:
Add sausage to the skillet, breaking it up and browning well, stirring in your oregano, sage (or thyme), and nutmeg; let the mixture toast a little for full flavor before setting aside.
Mash the squash:
Once roasted, gently mash the squash with a fork—leave some chunks for texture because smooth is good but a little variety is better.
Mix the ricotta:
In a bowl, beat together ricotta, egg, half the Parmesan, and a dash of salt and pepper until creamy and unified.
Prepare the baking dish:
Swipe a bit of oil on your baking dish (so nothing sticks), ladle in a little tomato sauce, then nestle your first layer of noodles like assembling a puzzle.
Layer the ingredients:
Begin with one-third of the ricotta mixture, then sausage, then squash, sprinkle mozzarella, and drizzle tomato sauce—don’t worry about neatness, go for even coverage.
Repeat and finish:
Layer two more times, ending with noodles, all remaining sauce, mozzarella, and the rest of the Parmesan on top—this pile will settle and meld in the oven.
Bake and uncover:
Cover loosely with foil (oil the underside so cheese doesn’t stick), bake at 180°C (350°F) for 30 minutes, then uncover and continue for 15–20 minutes until the top is bubbling and golden brown with crisped edges.
Rest and serve:
Let the lasagna rest for 10–15 minutes so the layers set; scatter freshly torn basil before serving as a final flourish.
Warm Butternut Squash Sausage Lasagna fresh from oven, caramelized squash edges  Save to Pinterest
Warm Butternut Squash Sausage Lasagna fresh from oven, caramelized squash edges | simplepinsuppers.com

Sometime last winter, my brother dropped by unexpectedly and nearly inhaled half the pan before realizing it was full of squash. His surprised grin when he asked for seconds sealed this dish as a repeat winner in our family. Seeing someone’s skepticism melt away with a forkful is the kind of small victory I cherish. That day, I served it right from the pan, unpretentious and impossibly comforting.

How to Make it Your Own

One of the things I learned is that this lasagna is forgiving—you can swap the sausage for sautéed mushrooms or spinach if you’d rather go meatless. Sweet potato or pumpkin easily stand in for butternut squash, and if all you have is regular lasagna noodles, just boil them up before layering. It’s the layering that really matters, so don’t worry if your pantry isn’t picture-perfect.

What to Serve on the Side

A plate of this lasagna pairs beautifully with a crisp green salad tossed in lemony vinaigrette—something bright to balance the cheese and sausage. If you’re feeling festive, pour a robust Italian red like Chianti or Sangiovese to complete the meal. Crusty bread on the side helps mop up every bit of sauce left on your plate.

Lasagna Night Troubleshooting

Sometimes a few noodles crisp up at the corners or the top cheese browns faster than expected—just tent the foil a bit higher if needed. If your layers look uneven, remember: as it bakes and settles, all those flavors will meld together into something magical. I’ve also learned not to stress if the filling spills a little while serving—it’s all part of the charm.

  • Scatter extra basil just before serving for color and fresh aroma.
  • Let the lasagna rest so it slices cleanly and holds together.
  • Don’t use too much sauce or the layers won’t set—less is more here.
Sliced Butternut Squash Sausage Lasagna cooling on cutting board, basil garnish Save to Pinterest
Sliced Butternut Squash Sausage Lasagna cooling on cutting board, basil garnish | simplepinsuppers.com

Whether it’s a quiet weeknight or a festive dinner, this butternut squash sausage lasagna never fails to bring everyone to the table. Here’s to layers that surprise you, in the best way, every single time.

Questions & Answers

Yes. Pre-cooked or boiled noodles work well; reduce excess moisture by patting them dry and use slightly less sauce so the layers aren’t too soggy.

Swap Italian sausage for turkey or chicken sausage, or use crumbled tempeh or sautéed mushrooms and smoked paprika to mimic savory depth.

Roasting the diced squash first caramelizes surfaces and keeps some texture. Lightly mashing but leaving chunks preserves bite after baking.

A pinch of nutmeg brightens the ricotta and echoes autumnal squash flavors; use sparingly so it enhances without becoming dominant.

Yes. Assemble, cover, and refrigerate for up to 24 hours; bring to room temperature for 30 minutes before baking and add a few extra minutes to the bake time if chilled.

Store in an airtight container in the fridge for 3–4 days. Reheat individual portions in a 180°C (350°F) oven until warmed through, or microwave covered for faster reheating.

Butternut Squash Sausage Lasagna

Layered lasagna of roasted butternut, Italian sausage, ricotta and melted mozzarella for a cozy autumn meal.

Prep 35m
Cook 55m
Total 90m
Servings 6
Difficulty Medium

Ingredients

Vegetables

  • 1 medium butternut squash (about 2 lbs), peeled, seeded, and diced
  • 2 tablespoons olive oil
  • 1 small yellow onion, finely chopped
  • 2 cloves garlic, minced
  • Kosher salt, to taste
  • Freshly ground black pepper, to taste

Meats

  • 1 pound Italian sausage (mild or spicy), casings removed

Dairy

  • 14 ounces ricotta cheese
  • 8 ounces mozzarella cheese, shredded
  • 2 ounces Parmesan cheese, grated
  • 1 large egg

Pasta

  • 9 to 12 no-boil lasagna noodles or regular pre-cooked lasagna noodles

Sauce

  • 3 cups good-quality tomato sauce or marinara

Seasonings & Herbs

  • 1 teaspoon dried oregano
  • 1/2 teaspoon dried sage or thyme
  • 1/4 teaspoon ground nutmeg
  • Fresh basil, optional for garnish

Instructions

1
Roast the butternut squash: Preheat oven to 400°F. Toss diced butternut squash with 1 tablespoon olive oil, kosher salt, and black pepper. Arrange evenly on a roasting tray and roast for 20 to 25 minutes until tender and caramelized. Reduce oven to 350°F.
2
Prepare the sausage mixture: While squash roasts, heat the remaining olive oil in a large skillet over medium heat. Sauté chopped onion for 3 to 4 minutes until translucent. Add minced garlic and cook for 30 seconds. Add Italian sausage and cook, crumbling with a spoon, until browned and cooked through. Stir in dried oregano, dried sage or thyme, and ground nutmeg. Remove from heat.
3
Mash the squash: Lightly mash the roasted butternut squash with a fork, leaving some pieces chunky for texture.
4
Prepare the ricotta mixture: In a mixing bowl, combine ricotta cheese with the egg, half of the grated Parmesan, kosher salt, and black pepper. Mix until smooth.
5
Assemble the layers: Grease a 9x13-inch baking dish with a thin layer of oil. Spread 1/2 cup tomato sauce over the bottom. Arrange 3 to 4 lasagna noodles to cover the sauce.
6
First layering: Spread one-third of the ricotta mixture over noodles. Add one-third of the sausage mixture, one-third of the mashed squash, a handful of mozzarella, and approximately 1/3 cup tomato sauce.
7
Repeat layers: Repeat the process two more times: layer noodles, ricotta, sausage, squash, mozzarella, and tomato sauce.
8
Final topping: Finish with a final layer of noodles and the remaining tomato sauce. Top with the rest of the mozzarella and Parmesan cheese.
9
Bake the lasagna: Cover the dish tightly with aluminum foil sprayed lightly with oil. Bake at 350°F for 30 minutes. Remove foil and continue baking for 15 to 20 minutes until the cheese topping is golden and bubbling.
10
Rest and serve: Allow to cool for 10 to 15 minutes before slicing. Garnish with fresh basil if desired and serve warm.
Additional Information

Equipment Needed

  • Chef’s knife
  • Roasting tray
  • Large skillet
  • Mixing bowls
  • 9x13-inch baking dish
  • Aluminum foil

Nutrition (Per Serving)

Calories 540
Protein 27g
Carbs 45g
Fat 28g

Allergy Information

  • Contains wheat (gluten).
  • Contains egg.
  • Contains milk (dairy).
  • Sausage may contain other allergens; check individual labels.
Erin Caldwell

Passionate home cook sharing easy, wholesome recipes and quick meal ideas for busy food lovers.