Butternut Squash Spinach Lasagna

Harvesting Comfort: A Culinary Odyssey with Butternut Squash Spinach Lasagna

Embrace the flavors of the season with a culinary masterpiece that marries the sweet richness of butternut squash with the earthy goodness of spinach – introducing the Butternut Squash Spinach Lasagna. This autumn-inspired dish elevates the traditional lasagna experience, offering a symphony of textures and flavors that dance on the palate. Join us on a gastronomic adventure as we delve into the secrets of crafting this indulgent lasagna, explore enticing variations, and cater to both keto and low-carb preferences. Let the journey begin as we unlock the gates to a harvest-inspired feast.


For the Butternut Squash Sauce:

  • 1 medium-sized butternut squash, peeled, seeded, and diced
  • 2 tablespoons olive oil
  • 1 onion, finely chopped
  • 2 cloves garlic, minced
  • 1 teaspoon dried sage
  • Salt and black pepper to taste
  • 1 cup vegetable broth

For the Spinach Filling:

  • 2 cups fresh spinach, chopped
  • 1 cup ricotta cheese
  • 1 egg
  • 1/2 cup grated Parmesan cheese
  • Salt and nutmeg to taste

Other Ingredients:

  • 9 lasagna noodles, cooked according to package instructions
  • 2 cups shredded mozzarella cheese

For Garnish:

  • Chopped fresh parsley


  1. Prepare Butternut Squash Sauce:
    • In a large saucepan, heat olive oil over medium heat. Add chopped onions and garlic, sautéing until softened.
    • Add diced butternut squash, dried sage, salt, and black pepper. Cook for 5 minutes, stirring occasionally.
    • Pour in vegetable broth, cover, and simmer until the squash is tender. Blend the mixture into a smooth sauce using an immersion blender or countertop blender.
  2. Create Spinach Filling:
    • In a mixing bowl, combine chopped spinach, ricotta cheese, egg, grated Parmesan, salt, and a pinch of nutmeg. Mix until well combined.
  3. Assemble the Lasagna:
    • Preheat your oven to 375°F (190°C).
    • In a baking dish, layer a portion of the butternut squash sauce, followed by lasagna noodles, and then the spinach filling. Repeat until all ingredients are used, finishing with a layer of butternut squash sauce on top.
  4. Top with Mozzarella:
    • Sprinkle shredded mozzarella cheese over the final layer of butternut squash sauce.
  5. Bake to Perfection:
    • Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. Remove the foil and bake for an additional 15-20 minutes or until the cheese is melted and golden.
  6. Garnish and Serve:
    • Allow the Butternut Squash Spinach Lasagna to cool for a few minutes before garnishing with chopped fresh parsley. Slice and serve, reveling in the comforting aromas and vibrant flavors.

Cook Notes

Butternut Squash Prep:

  • To make peeling and dicing easier, briefly microwave the whole butternut squash for 2-3 minutes to soften the skin.

Nutmeg Tip:

  • Use freshly grated nutmeg for a more pronounced and aromatic flavor in the spinach filling.

Make-Ahead Convenience:

  • Prepare the butternut squash sauce and spinach filling a day ahead, refrigerating until ready to assemble. This makes the lasagna an ideal dish for entertaining.

Vegetable Variations:

  • Experiment with additional vegetables like sautéed mushrooms or roasted red peppers to enhance the lasagna’s complexity.


Meat Lover’s Dream

Incorporate ground turkey or chicken into the butternut squash sauce for a protein-packed variation that satisfies meat lovers.

Sage and Walnut Twist

Enhance the layers with a sprinkle of chopped walnuts and a pinch of dried sage for a delightful crunch and added earthiness.

Mushroom Magic

Sautéed mushrooms layered between the lasagna sheets and spinach filling create a robust and savory variation that delights the taste buds.

Keto Versions

Almond Flour Pasta Sheets

Replace traditional lasagna noodles with keto-friendly almond flour pasta sheets or thinly sliced zucchini for a low-carb alternative.

Heavy Cream Luxe

Incorporate heavy cream into the butternut squash sauce for a richer flavor profile that aligns with keto principles.

Low-Carb Versions

Cauliflower Noodle Substitution

Replace lasagna noodles with thinly sliced and roasted cauliflower for a low-carb option that maintains a satisfying texture.

Cottage Cheese Swap

Substitute ricotta with cottage cheese to reduce the carb content while preserving the creamy texture in the spinach filling.

As we bring our culinary odyssey to a close, the Butternut Squash Spinach Lasagna stands as a testament to the artistry of blending seasonal ingredients into a harmonious and satisfying dish. Whether you revel in the classic rendition or explore keto and low-carb adaptations, the gratification found in each layer remains unparalleled. So, gather your ingredients, preheat the oven, and immerse yourself in the joy of crafting a lasagna that celebrates the bounty of the harvest. Here’s to the Butternut Squash Spinach Lasagna – a symphony of flavors that transforms a humble dish into a culinary masterpiece. Cheers to the warmth of autumn, the richness of butternut squash, and the joy of savoring every delicious bite!

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