Butternut Squash Lasagna Recipe

Name: Butternut Squash Lasagna Recipe
Prep time: 45 min
Cook time: 60 min
Total time: 105 min
Yield: 8
Cuisine: Italian
Ingredients: 1 medium butternut squash (about 3 lbs); 1 package no-boil lasagna noodles; 1 large yellow onion, diced; 3 cloves garlic, minced; 15 oz whole milk ricotta cheese; 1 large egg; 2 cups shredded mozzarella cheese, divided; 1 cup grated Parmesan cheese, divided; 3 cups whole milk; 4 tbsp unsalted butter; 1/4 cup all-purpose flour; 1/4 tsp fresh grated nutmeg; 2 tbsp olive oil; Salt and black pepper to taste; Fresh sage leaves (about 8-10)

I’ll never forget the first time I tried to make this butternut squash lasagna recipe. It was for a big family dinner and I was feeling ambitious. I thought, how hard could it be? Well, I ended up roasting the squash for way too long and it turned into a dry, sad mash. The whole thing came out of the oven looking more like a dense brick than a cheesy, comforting lasagna. My brother, god love him, took a bite and just said, “It’s… interesting.” I was so determined to get it right after that. Now, after many, many attempts, it’s the one dish everyone asks me to bring. It’s my ultimate comfort food victory.

Recipe Card

Recipe Title	Butternut Squash Lasagna Recipe
Servings	8
Prep Time	45 minutes
Cooking Time	1 hour
Calories	Approx. 420 per serving

Ingredients

1 medium butternut squash (about 3 lbs)
1 package no-boil lasagna noodles
1 large yellow onion, diced
3 cloves garlic, minced
15 oz whole milk ricotta cheese
1 large egg
2 cups shredded mozzarella cheese, divided
1 cup grated Parmesan cheese, divided
3 cups whole milk
4 tbsp unsalted butter
1/4 cup all-purpose flour
1/4 tsp fresh grated nutmeg
2 tbsp olive oil
Salt and black pepper to taste
Fresh sage leaves (about 8-10)

Let’s talk about that butternut squash. The first time, I tried to peel it with a flimsy vegetable peeler and it was a nightmare. I almost took my thumb off. Now I just cut it in half, scoop the seeds, and roast it cut-side down. It slides right out of the skin. And the nutmeg? I used to skip it, thinking it was just for pumpkin pie. Big mistake. It makes the whole house smell amazing and adds this warm depth that just works. Don’t be like past-me. Use the nutmeg.

Directions

Preheat your oven to 400°F (200°C).
Cut the butternut squash in half lengthwise and scoop out the seeds.
Drizzle the squash with olive oil and season with salt and pepper. Place it cut-side down on a baking sheet.
Roast for about 40-45 minutes, or until the flesh is very tender when poked with a fork.
Let the squash cool until you can handle it, then scoop the flesh into a bowl. Mash it with a fork until smooth.
While the squash roasts, melt the butter in a saucepan over medium heat.
Add the diced onion and cook until soft and translucent, about 5-7 minutes.
Add the minced garlic and cook for one more minute until fragrant.
Stir in the flour and cook for a minute to get rid of the raw taste.
Slowly whisk in the milk, a little at a time, until the sauce is smooth.
Keep cooking and whisking until the sauce thickens enough to coat the back of a spoon.
Remove the sauce from the heat and stir in 1/2 cup of the Parmesan cheese and the nutmeg. Season with salt and pepper.
In a separate bowl, mix the ricotta cheese, egg, 1 cup of the mozzarella, and the remaining 1/2 cup of Parmesan.
To assemble, spread a thin layer of the white sauce on the bottom of a 9×13 inch baking dish.
Place a single layer of no-boil noodles over the sauce.
Spread half of the mashed squash over the noodles.
Dollop half of the ricotta mixture over the squash and spread it as best you can.
Repeat the layers: sauce, noodles, the rest of the squash, the rest of the ricotta.
Top with a final layer of noodles, then pour the remaining white sauce over everything.
Sprinkle the top with the remaining 1 cup of mozzarella cheese.
Cover the dish with foil and bake at 375°F (190°C) for 25 minutes.
Remove the foil and bake for another 15-20 minutes, until the top is golden and bubbly.
Let the lasagna rest for at least 15 minutes before cutting into it.

The step where you let it rest is the one I always used to ignore. I’d be so hungry and the smell would be driving me crazy. I’d cut right in and it would just be a soupy, sliding mess on the plate. It looked terrible. Letting it sit for those 15 minutes feels like forever, but it makes all the difference. The layers set and you get these beautiful, clean squares. It’s a lesson in patience I’m still learning.

This butternut squash lasagna recipe has saved me more than once. I made it for a new neighbor once as a welcome-to-the-neighborhood thing. I was so proud, carrying it over all hot and cheesy. I tripped on their welcome mat and the whole thing slid onto their porch. We still laugh about it. It’s that kind of dish—even when it goes wrong, it’s still a good story.

What I love most is that the leftovers are maybe even better. The flavors really settle in overnight. It’s my favorite easy dinner to have stashed in the fridge for a crazy week. I just cut a square, warm it up, and I feel like I have my life together for a minute. It’s a total family favorite now, even with my picky nephew.

If I were to change one thing next time, I might try adding some spicy Italian sausage to the ricotta layer. I did that once by accident when I had some to use up and it was incredible. It gives it a little kick that plays so well with the sweet squash. It’s a great healthy swap if you use a lean turkey sausage, too.

Nutrition Info (per serving)

Calories	Carbs	Fat	Protein
420	38g	21g	22g

I know, the calories seem a bit high, but it’s so filling that one square is usually plenty for me. I’ve tried to make it lighter by using low-fat ricotta and skim milk, and honestly, it was just okay. The texture suffered and it wasn’t as creamy. If you’re watching fat, that’s a fine swap, but for a real treat, I stick with the whole milk stuff. It’s comfort food, after all.

Ingredient Swaps

Ingredient	Substitution
Butternut Squash	Sweet Potato or Pumpkin Puree
No-Boil Noodles	Oven-Ready Gluten-Free Noodles
Whole Milk Ricotta	Part-Skim Ricotta or Cottage Cheese
Mozzarella	Fontina or Provolone

I’ve tried a lot of these swaps over the years. The sweet potato works great, it’s just a bit sweeter. The cottage cheese instead of ricotta was a disaster for me—it made the whole thing way too watery. Gluten-free noodles work perfectly, just make sure they’re the no-boil kind. And fontina cheese? Oh man, that’s a game-changer. It’s so melty and rich. Highly recommend.

Tips

Don’t skip roasting the squash. Boiling it makes it waterlogged and bland.
Let the white sauce cool a bit before assembling, or it will make the noodles mushy.
Rest the lasagna for a full 15 minutes after baking. I know it’s hard to wait!
If you have time, make the white sauce and roast the squash a day ahead.

That tip about the white sauce? I learned that the hard way. I was in a huge rush one Thanksgiving and assembled it with the sauce still piping hot. The noodles absorbed too much liquid too fast and the final product was dry and the noodles were still a little hard in spots. It was a real bummer. Now I just let it sit off the heat for 10-15 minutes while I get everything else ready. Such a simple fix for a way better result.

FAQ

Can I make this butternut squash lasagna recipe ahead of time?
Absolutely! I do this all the time. Assemble the whole thing, cover it tightly, and stick it in the fridge for up to a day. When you’re ready, just pop it in the oven. You might need to add 5-10 minutes to the baking time since it’s going in cold. It’s a lifesaver for busy weekends.

My lasagna is always watery. What am I doing wrong?
Oh, I feel this one. This usually happens if the squash isn’t roasted long enough and still has too much moisture, or if you don’t let it rest before cutting. Really make sure that squash is super tender and maybe even let it sit in the colander for a few minutes after mashing to drain any extra liquid. And that rest time is non-negotiable, I promise!

Do I have to use no-boil noodles?
You don’t *have* to, but they make life so much easier. I tried it once with regular noodles that I boiled first and it was a floppy, messy ordeal. The no-boil ones are designed to cook perfectly in the sauce and they come out with a great texture. It’s one less pot to wash, too.

That’s everything I know about making this Butternut Squash Lasagna Recipe! Hope you give it a try, and if you mess it up, you’re in good company—I still do it sometimes. Just call it a “deconstructed” version and nobody will know the difference.