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Butternut Squash Lasagna: A Cozy Fall Favorite

Okay, so if there’s one dish that screams “cozy autumn evening” to me, it’s this Butternut Squash Lasagna. Seriously, forget everything you *think* you know about lasagna because this version is like a warm hug in a baking dish. It’s got all those classic comforting layers we love – pasta, creamy ricotta, rich tomato sauce – but with the star power of sweet, tender butternut squash and savory spinach. It’s my go-to when the leaves start changing and I just need something truly soul-satisfying. I’ve been making variations of this for years, and it’s become a family favorite, especially for those chilly fall dinners. It’s proof that vegetarian meals can be just as hearty and delicious as any other!

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Why You'll Love This Butternut Squash Lasagna

Trust me, this isn’t just another lasagna recipe – it’s a whole new level of delicious! Here’s why you’ll be making this easy butternut squash lasagna again and again:

  • Crazy Delicious Flavor: The sweetness of the squash pairs perfectly with the creamy ricotta and tangy marinara. It’s a flavor combo that just sings!
  • Super Easy to Make: Honestly, it comes together quicker than you’d think, making it perfect for a weeknight fall dinner or a relaxed weekend meal.
  • Naturally Vegetarian: It’s a hearty, satisfying vegetarian main dish that everyone, even meat-lovers, will devour.
  • Perfect for Fall Dinners: This is the ultimate in fall dinner recipes, bringing all those cozy, seasonal vibes to your table.

A Comforting Twist on a Classic

We all love traditional lasagna, right? Well, this recipe takes that familiar comfort and gives it a wonderful autumnal makeover. The butternut squash adds a creamy sweetness and a beautiful color that just makes it feel extra special.

Perfect for Seasonal Gatherings

Planning a cozy get-together or a holiday meal? This butternut squash lasagna is a showstopper! It looks gorgeous on the table and tastes even better. It’s one of those seasonal autumn recipes that just gets rave reviews every single time.

Gathering Your Butternut Squash Lasagna Ingredients

Alright, let’s get down to business and gather everything you need for this amazing butternut squash lasagna. It sounds like a lot, but it all comes together perfectly. Make sure you have these on hand!

Squash and Aromatics for Flavor

First up, the stars of our show! You’ll need about 2 cups of peeled and cubed butternut squash. I like to get mine pre-cubed sometimes to save a little time, but if you cube it yourself, aim for bite-sized pieces. We’ll also grab a medium onion, finely chopped, and 2 cloves of garlic, minced. Don’t forget the dried sage and thyme – they just *sing* with butternut squash, giving it that warm, earthy flavor we love. And of course, salt and black pepper to taste, because everything needs a little seasoning!

Creamy Ricotta and Spinach Filling

For that luscious, creamy layer, you’ll need one 15-ounce container of ricotta cheese. Make sure it’s full-fat for the best texture! We’ll also need one large egg, beaten, to help bind everything together. About 1/4 cup of grated Parmesan cheese adds a lovely salty kick. And our green goodness: one 10-ounce package of frozen chopped spinach. The key here is to thaw it completely and then squeeze out *all* the extra water. Nobody wants a watery lasagna! Oh, and if you’re feeling fancy, a tiny pinch of nutmeg in this mixture is a secret weapon for extra depth.

Lasagna Noodles and Sauces

You’ll need 12 lasagna noodles, and make sure you cook them according to the package directions until they’re just tender. Don’t overcook them! For the sauce, a good quality 24-ounce jar of marinara sauce is perfect. It’s got to be one of my favorite shortcuts! And if you like a little heat, now’s the time to think about adding a pinch of red pepper flakes to your sauce.

Melty Mozzarella Topping

And for that irresistible golden, bubbly topping, you’ll need about 1 cup of shredded mozzarella cheese. It’s the perfect finishing touch that makes this lasagna look and taste absolutely incredible!

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How to Prepare Your Butternut Squash Lasagna

Alright, let’s get this deliciousness assembled and in the oven! It’s not complicated at all, just follow these steps and you’ll have a showstopper on your hands.

Preparing the Squash and Aromatics

First things first, preheat your oven to 375°F (190°C). Grab a big skillet and heat up that tablespoon of olive oil over medium heat. Toss in your chopped onion and let it get nice and soft, about 5 minutes. Then add the minced garlic and cook for just another minute until it smells amazing – don’t let it burn! Now, add your cubed butternut squash, dried sage, dried thyme, a good pinch of salt, and some black pepper. Stir it all around and let it cook, stirring every now and then, until the squash is tender-crisp. This usually takes about 10 to 15 minutes. You want it cooked but still with a little bite, not mushy. If you want super-smooth squash, you could totally roast your cubes first before adding them here, just a little tip!

Crafting the Ricotta Spinach Mixture

While the squash is doing its thing, let’s whip up that dreamy ricotta filling. In a medium bowl, just mix together the ricotta cheese, the beaten egg, that grated Parmesan cheese, and your super-dry thawed spinach. Give it a good stir until it’s all combined. Season it with a little salt and pepper too. That pinch of nutmeg goes in here if you’re using it – it’s a subtle flavor but so worth it!

Assembling the Butternut Squash Lasagna Layers

Now for the fun part – building this masterpiece! Spread a thin layer of marinara sauce all over the bottom of your 9×13 inch baking dish. This prevents the noodles from sticking. Next, lay down 3 of your cooked lasagna noodles. Then, spread about half of that yummy ricotta-spinach mixture evenly over the noodles. Drizzle about one-third of the remaining marinara sauce over the ricotta. Time for another layer: 3 more noodles, the rest of the ricotta mixture, and another third of the marinara sauce. Finally, top with the last 3 noodles, pour over all the remaining marinara sauce, and sprinkle that shredded mozzarella cheese all over the top!

Baking and Resting for Perfection

Okay, it’s almost ready! Cover the baking dish tightly with foil. Pop it into your preheated oven and bake for 25 minutes. This lets everything heat through and the flavors meld together. After 25 minutes, carefully remove the foil. You want that cheese to get all melty and bubbly and golden brown, so bake it uncovered for another 10 to 15 minutes. Once it’s looking perfect, take it out of the oven. Now, this is important: let it stand for about 10 minutes before you even *think* about cutting into it. This lets all those layers settle and makes it so much easier to serve neat slices. Trust me on this waiting part!

Tips for an Amazing Butternut Squash Lasagna

Want to guarantee your butternut squash lasagna is a total hit? Here are a few little tricks I’ve picked up that make all the difference:

Achieving the Perfect Squash Texture

For the best texture, make sure your butternut squash is cooked until it’s tender-crisp, not mushy. If you have a little extra time, roasting the cubes beforehand instead of sautéing them really brings out their sweetness and gives them a lovely texture. And for the spinach? Squeeze, squeeze, squeeze! Seriously, get as much water out as humanly possible. A clean kitchen towel works wonders for this. A dry filling means a not-watery lasagna, and that’s always a win!

Flavor Boosts and Variations

Don’t be afraid to play with the flavors! That tiny pinch of nutmeg in the ricotta mixture? It’s subtle but adds such a warm depth. If you like a little kick, whisking some red pepper flakes into your marinara sauce is a fantastic idea. You could also add a little extra minced garlic to the ricotta mixture, or even try a different herb like rosemary alongside the sage and thyme. It’s all about making it your own!

Making Ahead and Storage

This butternut squash lasagna is actually brilliant for making ahead! You can assemble the whole thing, cover it tightly, and keep it in the fridge for up to 24 hours before baking. Just add a few extra minutes to the covered baking time. Leftovers are a dream too! Store any remaining lasagna in an airtight container in the fridge for about 3-4 days. Reheat individual slices in the oven or microwave until warmed through. It’s just as good, if not better, the next day!

Frequently Asked Questions About Butternut Squash Lasagna

Got questions about whipping up this delicious butternut squash lasagna? I’ve got you covered! Here are some of the most common things people ask:

Can I use fresh spinach instead of frozen for this butternut squash lasagna?

Absolutely! If you prefer fresh spinach, you’ll need about a pound of it. Just wilt it down in a pan with a tiny bit of water or olive oil until it’s all soft. Then, the super important part: let it cool a bit and squeeze out as much moisture as you possibly can. Just like with the frozen stuff, getting all that water out is key to a creamy, not soupy, lasagna!

How do I make this a gluten-free butternut squash lasagna?

Making this a gluten-free butternut squash lasagna is pretty straightforward! The easiest swap is to use gluten-free lasagna noodles – there are some great ones out there now that work really well. Also, double-check that your jar of marinara sauce doesn’t have any sneaky gluten ingredients. Most are fine, but it’s always good to look!

Can I freeze butternut squash lasagna?

Yes, you definitely can freeze this butternut squash lasagna! You have a couple of options. You can freeze the whole unbaked lasagna, wrapped really well in plastic wrap and then foil. When you’re ready to bake it, let it thaw in the fridge overnight and then bake as usual, probably adding an extra 10-15 minutes to the covered baking time. Or, you can bake it, let it cool completely, then freeze portions or the whole thing. Reheat from frozen in a 350°F oven until hot all the way through.

Estimated Nutritional Information for Butternut Squash Lasagna

Just so you know, this recipe makes about 6 generous servings. The nutritional info can vary a bit depending on the exact brands you use and how big your slices are, but here’s a good ballpark estimate per serving:

Calories: 450

Sugar: 12g

Sodium: 700mg

Fat: 20g

Saturated Fat: 10g

Unsaturated Fat: 8g

Trans Fat: 0.5g

Carbohydrates: 55g

Fiber: 7g

Protein: 25g

Cholesterol: 80mg

Share Your Butternut Squash Lasagna Experience

I just LOVE hearing from you all! Have you made this cozy butternut squash lasagna? Did you try any fun variations or add your own special touches? I’d be thrilled if you shared your thoughts, photos, or any tips in the comments below. And if you enjoyed it, please give it a star rating – it really helps other home cooks find their new favorite dish!

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butternut squash lasagna

Butternut Squash Lasagna: A Cozy Fall Favorite


  • Author: Carmen Velasco
  • Total Time: 1 hour 10 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

A comforting and flavorful vegetarian lasagna made with layers of tender butternut squash, creamy ricotta, savory spinach, and a rich tomato sauce.


Ingredients

Scale
  • 1 tablespoon olive oil
  • 1 medium onion, chopped
  • 2 cloves garlic, minced
  • 2 cups butternut squash, peeled and cubed
  • 1 teaspoon dried sage
  • 1/2 teaspoon dried thyme
  • Salt and black pepper to taste
  • 1 (15 ounce) container ricotta cheese
  • 1 large egg, beaten
  • 1/4 cup grated Parmesan cheese
  • 1 (10 ounce) package frozen chopped spinach, thawed and squeezed dry
  • 1 (24 ounce) jar marinara sauce
  • 12 lasagna noodles, cooked according to package directions
  • 1 cup shredded mozzarella cheese

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Heat olive oil in a large skillet over medium heat. Add onion and cook until softened, about 5 minutes. Add garlic and cook for 1 minute more.
  3. Add butternut squash, sage, thyme, salt, and pepper. Cook, stirring occasionally, until squash is tender-crisp, about 10-15 minutes.
  4. In a medium bowl, combine ricotta cheese, egg, Parmesan cheese, spinach, salt, and pepper. Mix well.
  5. Spread a thin layer of marinara sauce in the bottom of a 9×13 inch baking dish.
  6. Arrange 3 lasagna noodles over the sauce.
  7. Spread half of the ricotta mixture over the noodles.
  8. Spread about one-third of the remaining marinara sauce over the ricotta mixture.
  9. Top with another layer of 3 lasagna noodles, the remaining ricotta mixture, and another third of the marinara sauce.
  10. Add the final layer of 3 lasagna noodles, the remaining marinara sauce, and the mozzarella cheese.
  11. Cover with foil and bake for 25 minutes.
  12. Remove foil and bake for another 10-15 minutes, or until cheese is melted and bubbly.
  13. Let stand for 10 minutes before serving.

Notes

  • For a smoother squash texture, you can roast the butternut squash cubes before adding them to the skillet.
  • Add a pinch of nutmeg to the ricotta mixture for an extra layer of flavor.
  • If you prefer a spicier dish, add red pepper flakes to the marinara sauce.
  • Prep Time: 25 minutes
  • Cook Time: 45 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: Italian-American

Nutrition

  • Serving Size: 1 lasagna slice
  • Calories: 450
  • Sugar: 12g
  • Sodium: 700mg
  • Fat: 20g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0.5g
  • Carbohydrates: 55g
  • Fiber: 7g
  • Protein: 25g
  • Cholesterol: 80mg

Keywords: butternut squash lasagna, vegetarian lasagna, fall recipes, pasta bake, spinach lasagna, easy lasagna, comforting meal, seasonal cooking

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