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Pumpkin Lasagna with ricotta cheese and spinach is a delicious twist on traditional lasagna — the perfect cozy comfort food for fall. | aheadofthyme.com

Pumpkin Lasagna with Ricotta and Spinach


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  • Author: Sam
  • Total Time: 1 hour 20 minutes
  • Yield: 9-12 servings 1x
  • Diet: Vegetarian

Description

Pumpkin Lasagna with ricotta cheese and spinach is a delicious twist on traditional lasagna — the perfect cozy comfort food for fall.


Ingredients

Scale

For the lasagna noodles:

  • 9 lasagna noodles, uncooked
  • 1 tablespoon olive oil

For the pumpkin sauce:

  • 2 tablespoons olive oil (or butter)
  • 3 cloves garlic, minced
  • 1 small onion (or 2 shallots), finely diced
  • 1 teaspoon fresh thyme (or ½ teaspoon dried)
  • 1 teaspoon fresh sage, chopped (or ½ teaspoon dried)
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 teaspoon salt (or to taste)
  • ½ teaspoon ground black pepper
  • pinch of red pepper flakes (optional, for heat)
  • 2 (15 ounce) cans of pumpkin puree (or homemade) – not pumpkin pie filling
  • 1 cup milk (or use part heavy cream for richness)

For the spinach:

  • 1 tablespoon olive oil
  • 8 ounces fresh spinach, roughly chopped
  • salt and pepper (to taste)

For the cheese mixture:

  • 2 cups ricotta cheese
  • 1 ½ cups mozzarella cheese, divided
  • ½ cup parmesan cheese, divided
  • 1 egg, beaten
  • ¼ cup fresh parsley, chopped


Instructions

  1. Preheat oven to 375°F.
  2. Cook the lasagna noodles: Bring a large pot of salted water to a boil over medium-high heat. Add the lasagna noodles and olive oil. Cook until al dente, about 10 minutes or according to package instructions. Drain and rinse under cold water to stop the cooking process, then set aside in the pot.
  3. Make the pumpkin sauce: In a large skillet, heat olive oil (or butter) over medium heat. Add garlic and onion, and sauté until fragrant and softened, about 2–3 minutes. Stir in thyme, sage, cinnamon, nutmeg, salt, pepper, and red pepper flakes (if using). Add pumpkin puree and milk, whisking until smooth and creamy. Taste and adjust seasoning. Simmer for 3–4 minutes to thicken slightly, then remove from heat.
  4. Sauté the spinach: In a separate skillet, heat olive oil over medium heat. Add spinach and cook until wilted, about 2 minutes. Season lightly with salt and pepper, then set aside.
  5. Mix the cheese filling: In a medium mixing bowl, combine ricotta cheese, 1 cup mozzarella, ¼ cup Parmesan, beaten egg, parsley, and the sauteed spinach. Stir until fully combined.
  6. Assemble the lasagna: Lightly grease a 9x13-inch baking dish. Layer as follows:
    1. Sauce: Spread 1 cup of the pumpkin sauce evenly in the bottom.
    2. Noodles: Place 3 noodles on top.
    3. Cheese-spinach: Spread half of the cheese-spinach mixture evenly over the noodles.
    4. Sauce: Spread half of the remaining pumpkin sauce on top.
    5. Noodles: Add another 3 lasagna noodles.
    6. Cheese-spinach: Spread the rest of the cheese-spinach mixture.
    7. Noodles: Add the final 3 noodles.
    8. Sauce: Spread the remaining pumpkin sauce on top.
    9. Shredded cheeses: Sprinkle the remaining ½ cup mozzarella and ¼ cup Parmesan evenly on top.
  7. Bake the lasagna: Lightly grease a piece of aluminum foil and cover the dish, greased side down (to prevents the cheese from sticking). Bake covered for 40 minutes. Remove foil and bake uncovered for 20 minutes, until the cheese is golden and bubbly. If it browns too quickly, cover loosely with foil again. For an extra crispy crust (optional), broil on high for 3–4 minutes, watching closely to avoid burning.
  8. Rest and serve: Let the lasagna cool for 10 minutes before slicing and serving. Garnish with toasted walnuts or pecans, crispy fried sage leaves, and/or a sprinkle of shredded Parmesan.

Notes

How to store: Store cooled lasagna in an airtight container in the refrigerator for up to 4 days.

How to reheat: Reheat covered in the oven at 350°F oven for 15–20 minutes, until hot and bubbly. For a quicker option, microwave individual portions until warmed through.

How to freeze: Lasagna freezes beautifully, making it perfect for meal prep or saving leftovers for later. You can freeze it whole or in individual portions for up to 3 months. Thaw overnight in the fridge before reheating.

  • To freeze individual slices, first let the lasagna cool completely, then slice into portions, wrap each piece tightly in plastic wrap, and place them in a freezer-safe airtight container or resealable bag. This helps prevent freezer burn and makes it easy to reheat one serving at a time.
  • To freeze the whole lasagna, cover the baking dish tightly with a layer of plastic wrap and then foil. Label with the date and freeze.
  • Prep Time: 20 minutes
  • Cook Time: 1 hour
  • Category: Casserole
  • Method: Bake
  • Cuisine: Italian