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Indulgent Spinach and Butternut Squash Lasagna Recipe You’ll Love

Published: Jul 26, 2025 by Dia Martinez · This post may contain affiliate links · Leave a Comment

Stepping into the kitchen as the leaves turn gold, I am drawn to the warmth of home-cooked meals—like the comforting layers of my Spinach and Butternut Squash Lasagna. This dish isn’t just about satisfying hunger; it’s a celebration of fall flavors that come together effortlessly, making it the perfect choice for cozy dinners or festive gatherings. With its creamy ricotta nestled between tender noodles and the natural sweetness of roasted butternut squash, this recipe becomes an instant family favorite. Quick to prepare and easily customizable, you can swap out spinach for kale or try a mix of your favorite cheeses for a delightful twist. Who’s ready to dive into a cozy dish that wraps you in warmth and smiles?

Why is this lasagna a must-try?

Comforting Layers: The combination of creamy ricotta and sweet butternut squash creates a dish that warms the heart and soul.
Easy to Customize: Swap spinach for kale or use a mix of your favorite cheeses to make it uniquely yours.
Perfect for Gatherings: Whether it’s a family dinner or a festive gathering, this lasagna is sure to impress and nourish.
Nutritious Goodness: Packed with fiber from fresh spinach and squash, this dish is a deliciously healthy option.
Make-Ahead Magic: Prepare it in advance and pop it in the oven when you’re ready—a time-saver for busy cooks!
Crowd-Pleasing Flavor: With its rich textures and familiar tastes, this recipe will have everyone coming back for seconds!

Spinach and Butternut Squash Lasagna Ingredients

For the Lasagna
• Lasagna Noodles – Choose no-boil or traditional for your preferred texture.
• Butternut Squash – Roasted for sweetness; pumpkin can be a delightful substitute.
• Fresh Spinach – Offers a vibrant flavor; kale or Swiss chard can be used instead for a heartier profile.
• Ricotta Cheese – Adds creaminess and helps bind layers; cottage cheese makes a lighter option.
• Shredded Mozzarella Cheese – Delivers that gooey, cheesy goodness; consider gouda for a twist in flavor.
• Grated Parmesan Cheese – Provides a salty finish to each slice; use Pecorino Romano if preferred.
• Garlic – Enhance the dish's aroma; fresh garlic is ideal, but garlic powder works in a pinch.
• Extra Virgin Olive Oil – Perfect for roasting and sautéing; avocado oil is a suitable alternative.
• Salt and Pepper – Essential for seasoning and balancing flavors, adjust to taste.
• Canned Whole Peeled Tomatoes – Forms the base sauce, balancing richness; crushed tomatoes can streamline the sauce.

For Layering
• Sautéed Garlic and Spinach Mix – Adds depth and nutrition, combining tender spinach and aromatic garlic.

With these Spinach and Butternut Squash Lasagna ingredients, you’re ready to create a dish that wraps you in cozy fall flavors and fills bellies with warmth!

Step‑by‑Step Instructions for Spinach and Butternut Squash Lasagna

Step 1: Preheat Oven and Prepare Dish
Begin by preheating your oven to 375°F (190°C). While it heats, grab a 9×13-inch baking dish and lightly grease it with olive oil to prevent sticking. This cozy Spinach and Butternut Squash Lasagna will need a sturdy foundation, ensuring that the layers hold together beautifully when served.

Step 2: Roast the Butternut Squash
In a mixing bowl, toss the diced butternut squash with a drizzle of extra virgin olive oil, salt, and pepper until evenly coated. Spread the squash on a baking sheet and roast for about 25 minutes, or until it becomes tender and slightly caramelized, turning golden brown. The sweet aroma filling your kitchen is a delightful hint of the flavors to come.

Step 3: Sauté Garlic and Spinach
While the butternut squash roasts, heat a tablespoon of olive oil in a skillet over medium heat. Add minced garlic and sauté for about 1-2 minutes until fragrant and lightly golden. Next, toss in the fresh spinach, stirring just until wilted. This quick sautéing brings out the vibrant color and rich flavor, infusing your Spinach and Butternut Squash Lasagna with goodness.

Step 4: Prepare the Tomato Sauce
In a separate bowl, combine the canned whole peeled tomatoes with salt, pepper, and any desired herbs, like basil or oregano. Use a fork or an immersion blender to crush the tomatoes slightly, creating a fresh sauce. This bright tomato mixture will layer beautifully with the other ingredients, adding depth to your lasagna.

Step 5: Layer the Ingredients
To assemble your lasagna, spread a thin layer of the tomato sauce in the bottom of the greased baking dish. Next, place a layer of lasagna noodles over the sauce, followed by a generous layer of ricotta cheese, the roasted butternut squash, and the sautéed spinach. Sprinkle shredded mozzarella on top, then repeat the layering process until all ingredients are used, finishing with noodles, sauce, and a final layer of mozzarella.

Step 6: Bake the Lasagna
Cover the assembled lasagna tightly with aluminum foil and place it in the preheated oven. Bake for 35 minutes, allowing the layers to meld together. In the final 10 minutes, carefully remove the foil to let the cheese turn golden and bubbly. The visual transformation signals that your Spinach and Butternut Squash Lasagna is nearly ready to be devoured.

Step 7: Allow to Rest and Serve
Once baked to perfection, remove the lasagna from the oven and let it rest for about 10 minutes. This resting time is crucial as it allows the layers to set, making it easier to slice. When you're ready to serve, cut into squares, revealing the beautiful layers of cheese, squash, and spinach, perfect for cozy gatherings.

Expert Tips for Spinach and Butternut Squash Lasagna

  • Layering Technique: Ensure even layers of sauce, cheese, and veggies for optimal flavor in every slice; uneven layers can lead to dry bites.

  • Roasting Squash: Don’t rush the roasting step; it caramelizes the natural sugars in butternut squash, enhancing the sweetness that complements the lasagna beautifully.

  • Cheese Mix: Experiment with a blend of mozzarella and gouda for a uniquely rich flavor; this twist elevates your Spinach and Butternut Squash Lasagna beyond the ordinary.

  • Resting Time: Allow the lasagna to rest for at least 10 minutes after baking; this helps the layers hold together better when sliced.

  • Make-Ahead Option: Assemble the lasagna a day in advance and refrigerate. Bake it just before serving for a speedy and stress-free meal!

What to Serve with Spinach and Butternut Squash Lasagna

Elevate your dining experience with perfect pairings that complement the creamy, comforting layers of this delightful dish.

  • Garlic Bread: This warm and crusty delight adds a crunchy contrast and extra flavor, ideal for soaking up delicious sauce.
  • Light Side Salad: A mix of fresh greens tossed with a zesty vinaigrette offers a refreshing balance to the rich lasagna, enhancing each bite.
  • Roasted Veggies: Seasonal vegetables like Brussels sprouts or carrots bring earthy flavors that harmonize beautifully with the sweet butternut squash.
  • Creamy Polenta: Soft, buttery polenta provides a luscious base that pairs perfectly with the lasagna’s creamy textures while adding delightful comfort.
  • Red Wine: A glass of Merlot or Chianti elevates the meal, its bold tannins complementing the rich cheese and roasted flavors.
  • Apple Crisp: For dessert, the warm spices of apple crisp contrast wonderfully with the lasagna’s creaminess, ending the meal on a comforting note.

Each of these pairings brings a unique texture and flavor to the table, ensuring that your Spinach and Butternut Squash Lasagna shines even brighter!

How to Store and Freeze Spinach and Butternut Squash Lasagna

Fridge: Leftover Spinach and Butternut Squash Lasagna can be stored in an airtight container for up to 3-5 days. Ensure it's fully cooled before sealing to maintain freshness.

Freezer: For longer storage, cut the lasagna into portions and wrap each piece tightly in plastic wrap or aluminum foil, followed by storing in a freezer-safe container. It can be frozen for up to 3 months.

Reheating: To reheat, thaw it overnight in the fridge, then bake at 375°F (190°C) for 20-25 minutes, or until heated through.

Assembling Ahead: You can prepare the lasagna a day in advance and store it in the fridge before baking, making dinner prep a breeze!

Spinach and Butternut Squash Lasagna Variations

Feel free to get creative and make this lasagna uniquely your own with these delicious twists!

  • Kale Substitute: Replace spinach with kale for a heartier texture and slightly earthier flavor—don’t forget to sauté it as you would spinach for the best results.

  • Gluten-Free Option: Swap lasagna noodles for thin slices of zucchini; this not only makes it gluten-free but also adds a fresh, crunchy layer to your dish.

  • Mixed Cheeses: Consider using a mix of mozzarella and goat cheese for a tangy twist that elevates the layered richness.

  • Pumpkin Boost: Add a layer of mashed pumpkin between the noodles for a creamy, sweet flavor that pairs beautifully with the butternut squash.

  • Adding Heat: Spice things up by adding crushed red pepper flakes or diced jalapeños to the tomato sauce—perfect for those craving a little kick!

  • Creamy Béchamel: Incorporate a layer of béchamel sauce for a luxuriously creamy texture; it’ll give your lasagna an extra depth of flavor that is simply irresistible.

  • Savory Mushrooms: Sautéed mushrooms paired with the spinach add umami goodness; this earthy addition complements the sweetness of the squash wonderfully.

  • Herb Infusion: Mix in some fresh herbs like basil or thyme into the cheese layers for an aromatic lift that will transport you straight to Italy!

With these variations, your Spinach and Butternut Squash Lasagna can be endlessly enjoyable, inviting new flavors into your family dinners. And don't forget, a hearty side salad or classic garlic bread is the perfect companion to this comforting dish!

Make Ahead Options

These Spinach and Butternut Squash Lasagna layers are perfect for meal prep enthusiasts! You can assemble the entire lasagna up to 24 hours in advance, just make sure to cover it tightly and refrigerate. Prepare all the components: roast the butternut squash, sauté the spinach with garlic, and layer it with the cheese and noodles as usual. To maintain quality, be sure to allow some resting time after baking (about 10 minutes) to ensure clean slices. When you’re ready to serve, simply pop it in the oven and bake according to the original instructions. This way, you’ll enjoy a comforting and delicious meal with minimal effort on busy evenings!

Spinach and Butternut Squash Lasagna Recipe FAQs

How do I choose ripe butternut squash?
Absolutely! When selecting butternut squash, look for ones that are uniform in color, with a matte skin and no dark spots or blemishes. The stem should be intact and dry, indicating freshness. If the squash feels heavy for its size, that’s a good sign of ripeness too!

What is the best way to store leftovers?
Very! After enjoying your delicious Spinach and Butternut Squash Lasagna, store any leftovers in an airtight container in the refrigerator for up to 3-5 days. Make sure it's completely cooled before sealing, as this helps preserve its flavor and texture.

Can I freeze this lasagna?
Absolutely! To freeze your Spinach and Butternut Squash Lasagna, cut it into individual portions and wrap each piece tightly in plastic wrap or aluminum foil. Place the wrapped pieces in a freezer-safe container—this method protects it from freezer burn. It can be stored for up to 3 months! When ready to enjoy, just thaw it overnight in the fridge and bake at 375°F (190°C) for 20-25 minutes.

What if my lasagna comes out watery?
If you find your lasagna a bit soupy, it might be from excess moisture in the spinach or butternut squash. To avoid this, you can sauté the spinach a tad longer to let it release moisture or roast the butternut squash until it's nicely caramelized—this intensifies its flavor and reduces water content. Also, let your lasagna rest for about 10 minutes after baking to help the layers set.

Are there any dietary considerations I should keep in mind?
Very! If you're cooking for a crowd, be sure to ask about dietary restrictions. This Spinach and Butternut Squash Lasagna is vegetarian-friendly and can be made gluten-free by substituting the noodles with zucchini slices. Additionally, if anyone has dairy allergies, consider using a vegan cheese substitute as a delicious alternative!

How do I make sure the layers hold together when slicing?
For a beautiful presentation, it’s crucial to let the lasagna rest for about 10 minutes after removing it from the oven. This waiting period allows the layers to set, making it far easier to slice through without everything slipping apart! For added assurance, use a sharp knife to make clean cuts. Enjoy every bite!

Spinach and Butternut Squash Lasagna

Indulgent Spinach and Butternut Squash Lasagna Recipe You’ll Love

This Spinach and Butternut Squash Lasagna is a celebration of fall flavors, perfect for cozy dinners or festive gatherings.
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 35 minutes mins
Resting Time 10 minutes mins
Total Time 1 hour hr 5 minutes mins
Servings: 8 slices
Course: dinner
Cuisine: Italian
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Lasagna
  • 12 pieces Lasagna Noodles Choose no-boil or traditional for your preferred texture.
  • 2 cups Butternut Squash Roasted for sweetness; pumpkin can be a delightful substitute.
  • 2 cups Fresh Spinach Offers vibrancy; kale or Swiss chard can be used instead.
  • 15 ounces Ricotta Cheese Adds creaminess; cottage cheese makes a lighter option.
  • 2 cups Shredded Mozzarella Cheese Delivers gooey, cheesy goodness; consider gouda for a twist.
  • 1 cup Grated Parmesan Cheese Provides a salty finish; use Pecorino Romano if preferred.
  • 2 cloves Garlic Enhance aroma; fresh garlic is ideal.
  • 2 tablespoons Extra Virgin Olive Oil Perfect for roasting and sautéing; avocado oil is suitable.
  • 1 teaspoon Salt Essential for seasoning; adjust to taste.
  • 1 teaspoon Black Pepper Essential for seasoning; adjust to taste.
  • 28 ounces Canned Whole Peeled Tomatoes Forms the base sauce; crushed tomatoes can streamline the sauce.
For Layering
  • 2 cups Sautéed Garlic and Spinach Mix Adds depth combining tender spinach and garlic.

Equipment

  • 9×13-inch baking dish
  • baking sheet
  • mixing bowl
  • skillet
  • fork or immersion blender

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish with olive oil.
  2. Toss the diced butternut squash with olive oil, salt, and pepper. Spread on a baking sheet and roast for about 25 minutes.
  3. Heat olive oil in a skillet, add minced garlic and sauté until fragrant. Add fresh spinach and stir until wilted.
  4. Combine canned tomatoes with salt, pepper, and desired herbs, crush slightly to create a fresh sauce.
  5. Assemble your lasagna by spreading a thin layer of tomato sauce, followed by layers of noodles, ricotta, roasted squash, spinach, and mozzarella. Repeat layers.
  6. Cover with foil and bake for 35 minutes. Remove foil in the last 10 minutes to let cheese brown.
  7. Let the lasagna rest for about 10 minutes before slicing and serving.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 40gProtein: 20gFat: 15gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 40mgSodium: 600mgPotassium: 500mgFiber: 5gSugar: 5gVitamin A: 2000IUVitamin C: 10mgCalcium: 300mgIron: 2mg

Notes

For best flavor, allow the lasagna to rest before slicing. This recipe is easily customizable with different greens or cheeses.

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Let us know how it was!

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Welcome!

I'm a passionate home cook and recipe developer who has been creating and testing family-friendly recipes for over 8 years. Every recipe on DiaRecipes is tested multiple times in my own kitchen before sharing it with you

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