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    Where Is My Spoon > Main Dish > Pasta and Rice

    Published: Jan 22, 2022 by Adina · 4 Comments

    Vegetarian Butternut Squash and Lentil Lasagna

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    pinterest image of lasagna with lentils.

    This butternut squash lentil lasagna with lots of vegetables and cheese is a delicious vegetarian pasta dish perfect in autumn or winter.

    Jump to Recipe
    overhead view of a lentil lasagna with cheese on top.

    An excellent butternut squash and lentil lasagna with black Beluga lentils and cheese to keep you warm during these cold days.

    Why will you love this recipe?

    • Delicious: You will love those flavors and textures. The smooth and creamy butternut squash sauce, the hearty lentils, the comforting pasta.
    • Easy: It seems like a lot of work, but it’s not really. You can shred the squash in a food processor, and after that, there is not a lot of trouble left.
    • Perfect for entertaining: A vegetarian main dish fit for guests or a holiday dinner. You can be sure to impress!

    Recipe ingredients

    all ingredients for squash lentil lasagna labeled on a table.

    The list is relatively long, but the ingredients are readily available and cheap.

    Butternut squash:

    • You can also cook the lasagna with pumpkin or another sort of squash. Make sure you choose a flavorful squash or pumpkin sort. My favorite substitute is Hokkaido pumpkin, also called red Kuri squash.
    • I love using pumpkin or squash for making lasagna; this curried chicken lasagna with pumpkin is another favorite. Or you could try this fantastic creamy pumpkin pasta sauce; I love it!

    Beluga lentils:

    • They are small, black lentils, which resemble Beluga caviar, hence the name.
    • Unlike other lentils, Beluga lentils are firm and retain their shape when cooked, making them perfect to use in salads or a lentil lasagna recipe.
    • Puy lentils can be used instead if you cannot find Beluga lentils.

    Lasagna sheets:

    • I use no-boil lasagna or oven-ready sheets; they are the only ones I ever use. They are practical, I always have them in my pantry, and I can skip the step of boiling water and pre-cooking the sheets.

    Cheese:

    • I use Gouda or Cheddar most of the time. Buy a block of cheese and grate it yourself; already grated cheese contains additives that prevent it from melting properly.

    Vegetables: leek, carrots, celery, potato (helps make the sauce creamy), shallots, garlic, parsley.

    Pantry ingredients: olive oil, tomato paste, vegetable stock, honey, balsamic vinegar, dried thyme, salt, and pepper. And heavy cream and butter from the fridge.

    a slice of lasagna with lentils on a small white plate with fork.

    Recipe steps

    Vegetable sauce:

    • Finely chop the leek, carrot, celery, shallots, and garlic.
    • Heat 1 tablespoon olive oil and braise the vegetables lightly (1).
    • Wash the lentils add them to the pot (2).
    • Add tomato paste, vegetable stock, salt, pepper, and thyme (3). Stir well and simmer for about 20 minutes.
    • Add grated potato and cook for 5 to 10 more minutes or until the potato is soft, the sauce is creamy, and the lentils are cooked but not mushy (regard the lentils' packing instructions as well). Adjust the taste with salt and pepper (4).
    collage of two pictures of cooking vegetables and lentils in a pot.
    collage of two pictures of cooking lentils for making lasagna.

    Butternut squash sauce:

    • While the lentils are cooking, peel and grate the squash. Chop the shallots and garlic.
    • Heat 1 tablespoon olive oil. Braise shallots and garlic, add squash, and braise it for about 5 minutes (5).
    • Add the honey, 2 tablespoons white balsamic vinegar, salt, pepper. Add the cream and let cook until everything turns creamy; about 6-8 minutes (6).
    • Add a splash of milk if the sauce seems too thick. Adjust the taste with salt, pepper, and more balsamic vinegar, if necessary. Stir in the parsley.
    collage of two pictures of cooking squash for lasagna sauce.

    Preheat the oven to 200 degrees Celsius/ 400 degrees Fahrenheit.

    Assemble the lentil lasagna in a rectangular casserole dish (about 32 x 22 cm/ ca 12 x 9 inch):

    • ⅓ of the squash mixture - lasagna sheets – ½ of the lentil mixture - some of the grated cheese - lasagna sheets again 
    • ⅓ of the squash mixture – lasagna sheets – ½ of the lentil mixture – some of the grated cheese - lasagna sheets
    • ⅓ of the squash mixture as the last layer.
    • Sprinkle with the remaining grated cheese and some butter flakes.

    Bake for about 30-40 minutes or until the pasta is cooked through. Check by poking the noodles with a fork.

    collage of two pictures of layering lasagna with lentils in a dish.
    collage of two images of layering lasagna sheets and filling in a casserole dish.

    Expert Tips and FAQ

    • Make sure to check the cooking time mentioned on the pack of lentils, they usually need about 25-30 minutes, but it is better to check.
    • Use the food processor to shred the squash and the potato; it speeds up things.

    Recipe FAQ

    Do I need to cook the pasta sheets?

    No. The recipe uses no-boil/oven-ready sheets. You can use plain or spinach pasta sheets.

    How to serve?

    Serve the butternut squash and lentil lasagna with a green salad with vinaigrette. A glass of wine would be perfect as well.

    How to store?

    Refrigerated in an airtight container for up to 3 days.
    Reheat in the microwave or the oven. If reheating in the oven, do it in a clean casserole dish, cover it with aluminum foil, and reheat at 180 degrees Celsius/ 350 degrees Fahrenheit for about 20 minutes or until hot.
    Freeze the slices in an airtight container for about 2-3 months. Defrost in the fridge and reheat before eating.

    Can I make it ahead?

    Cook the vegetable sauce and the squash sauce ahead. Store them in the fridge for 1-2 days. Grate the cheese and keep it in an airtight container. Assemble the lentil and butternut squash lasagna before baking. It might need extra 5-10 minutes if the sauces are cold but check.

    overhead view of a casserole dish with butternut squash lentil lasagna.

    More lasagna recipes:

    • Vegetable Lasagna with White Sauce - I could eat this every week.
    • Low Carb Zucchini Lasagna - no need for noodles here, just grilled zucchini slices, sauce and cheese.
    • Yogurt Lasagna -  classic lasagna bolognese made lighter, but just as delicious as the original.
    • Lasagna with Leftover Turkey - perfect for the holiday season.
    sliced butternut squash lentil lasagna on a white plate.

    Butternut Squash and Lentil Lasagna (Vegetarian)

    Butternut squash and lentil lasagna with lots of cheese, a delicious vegetarian pasta dish perfect during the cold months of the year.
    4.84 from 6 votes
    Print Pin Share GrowSaved! Rate
    Course: Pasta and Rice
    Cuisine: Italian
    Prep Time: 45 minutes
    Cook Time: 40 minutes
    Total Time: 1 hour 25 minutes
    Servings: 6
    Calories: 589kcal
    Author: Adina

    Equipment

    • 1 Casserole dish 32 x 22 cm/ ca 12.5 x 8.6 inches
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    Ingredients 

    • Lentil sauce:
    • 1 medium leek 200 g/ 7 oz
    • 1 medium carrot
    • 3 celery stalks, small
    • 3 shallots
    • 1 garlic clove
    • 1 tablespoon olive oil
    • 1 cup Beluga lentils or Puy lentils
    • 1 tablespoon tomato paste
    • 2 ½ cups vegetable stock
    • 1 teaspoon dried thyme
    • 1 potato, small 150 g/ 5.5 oz
    • ½ teaspoon fine sea salt or Kosher, more or less to taste
    • ⅛ teaspoon freshly ground pepper
    • Butternut squash sauce:
    • 1 lb butternut squash See note 1
    • 2 shallots
    • 2 garlic cloves
    • 1 tablespoon olive oil
    • 2 tablespoons clear honey
    • 2-3 tablespoons white balsamic vinegar to taste
    • 1 ⅓ cups heavy cream
    • 2 tablespoons chopped parsley
    • ⅛ teaspoon fine sea salt or Kosher, more or less to taste
    • 1 pinch black pepper
    • Butternut squash lasagna:
    • 9 oz no cook lasagna sheets Note 2
    • 2 cups cheese, grated Gouda, Cheddar
    • a few flakes of butter

    Instructions

    Lentil sauce:

    • Finely chop the leek, carrot, celery, shallots, and garlic.
    • Heat 1 tablespoon olive oil and braise the vegetables lightly, about 5 minutes.
    • Simmer: Add the washed lentils and tomato paste. Stir well and add the vegetable stock, salt, pepper, and thyme. Simmer for about 20 minutes or until the lentils are cooked but not mushy.
    • Grate the potato and add it to the pot. Let cook for 5 to 10 more minutes or until the grated potato is soft, the sauce creamy and the lentils soft but not mushy (Note 3). Adjust the taste with salt, pepper, and balsamic vinegar.

    Butternut squash sauce:

    • Prepare butternut squash: In the meantime, peel and grate the butternut squash (use a food processor, if you wish). Then, chop the remaining shallots and garlic.
    • Braise squash: Heat 1 tablespoon olive oil. Lightly braise the shallots and the garlic, add squash and braise it for about minutes. Add honey, 2 tablespoons of the white balsamic vinegar, salt, pepper.
    • Simmer sauce: Add the heavy cream and let cook until everything turns creamy, about 6-8 minutes. Add a splash of milk if the sauce seems too thick.
    • Adjust the taste with salt, pepper, and more balsamic vinegar, if necessary. Stir in the parsley.

    Assemble the lasagna:

    • Preheat the oven to 200 degrees Celsius/ 400 degrees Fahrenheit.
    • Assemble the butternut squash lasagna with lentils in a rectangular casserole dish:
      ⅓ of the squash mixture - lasagna sheets – ½ of the lentil mixture - some of the cheese - lasagna sheets again
      ⅓ of the squash mixture – lasagna sheets – ½ of the lentil mixture – some of the cheese - lasagna sheets
      ⅓ of the squash mixture as the last layer.
      Sprinkle with the remaining grated cheese and dot with some butter flakes.
    • Bake for about 30-40 minutes or until the lasagna sheets are cooked through. Check by poking the noodles with a fork.

    Notes

    1. Hokkaido/ red Kuri squash can be used instead. This kind of squash doesn't have to be peeled.
    2. Use as much as you need to have 4 layers of noodles, in my case about 14 sheets.
    3. Read the lentils' packing instructions regarding the cooking times and check to see that the lentils are properly cooked.

    Nutrition

    Serving: 1/6 of the lasagna | Calories: 589kcal | Carbohydrates: 54g | Protein: 18g | Fat: 35g | Saturated Fat: 19g | Polyunsaturated Fat: 13g | Trans Fat: 1g | Cholesterol: 92mg | Sodium: 1082mg | Fiber: 9g | Sugar: 16g
    Tried this Recipe? Pin it for Later!Mention @adinabeck or tag #WhereIsMySpoon!

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    Reader Interactions

    Comments

    1. Sheridan Nice says

      January 12, 2019 at 1:20 pm

      Love your site, especially the vegetarian recipes!

      Reply
      • Adina says

        January 12, 2019 at 2:42 pm

        Thank you! 🙂 🙂

        Reply
    2. Denise says

      July 22, 2019 at 1:49 pm

      How many calories per portion?

      Reply
      • Adina says

        July 24, 2019 at 9:24 am

        Hi Denise. I've just updated the recipe and added the nutrition information.

        Reply

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