Spaghetti Squash Lasagna

4.8
(17)
17 Reviews
9 Photos

This vegetarian spaghetti squash lasagna is hearty, delicious, and low carb. Everyone loves it!

Submitted by BJBP
Updated on December 13, 2024
Slice of cheesy spaghetti squash lasagna served on a plate.
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Prep Time:
35 mins
Cook Time:
1 hr 15 mins
Additional Time:
5 mins
Total Time:
1 hr 55 mins
Servings:
12
Yield:
1 (9x13-inch) lasagna
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Ingredients

Original recipe (1X) yields 12 servings

  • 2 spaghetti squash, halved lengthwise and seeded

  • 1 tablespoon olive oil

  • salt and ground black pepper to taste

  • 2 (16 ounce) packages shredded mozzarella cheese, divided

  • 1 (15 ounce) container ricotta cheese

  • 1 large egg

  • ½ cup Parmesan cheese

  • 1 (24 ounce) jar spaghetti sauce

Directions

  1. Gather all ingredients. Preheat the oven to 375 degrees F (190 degrees C).

    Ingredients for spaghetti squash lasagna including squash, cheese, and sauce.

    Allrecipes/Julia Hartbeck

  2. Brush the inside of squash halves with olive oil; season with salt and pepper. Place cut-sides up on a baking sheet.

    Halved spaghetti squash seasoned with salt and pepper on a baking tray.

    Allrecipes/Julia Hartbeck

  3. Bake in the preheated oven until softened, about 45 minutes. Remove from the oven and let cool until easily handled, 5 to 10 minutes.

    Roasted spaghetti squash halves on a baking tray.

    Allrecipes/Julia Hartbeck

  4. Scrape out strands of squash with a fork and transfer them to a bowl. Adjust the oven temperature to 350 degrees F (175 degrees C).

    Fork scraping roasted spaghetti squash strands into a bowl.

    Allrecipes/Julia Hartbeck

  5. Mix 1/2 of the mozzarella cheese, ricotta cheese, egg, and Parmesan cheese together in a bowl. Stir into squash. Stir in 2 or 3 tablespoons spaghetti sauce to turn mixture pink.

    Mixture of squash, cheese, and sauce combined in a bowl.

    Allrecipes/Julia Hartbeck

  6. Spread 1/2 of the squash mixture in a 9x13-inch baking dish. Spoon 1/2 of the spaghetti sauce on top. Sprinkle with 1/2 of the remaining mozzarella cheese. Layer remaining squash mixture, spaghetti sauce, and mozzarella cheese on top.

    Layered spaghetti squash lasagna topped with shredded cheese before baking.

    Allrecipes/Julia Hartbeck

  7. Bake in the preheated oven until mozzarella cheese is melted and browned, 30 to 45 minutes.

    Baked spaghetti squash lasagna in a casserole dish.

    Allrecipes/Julia Hartbeck

Nutrition Facts (per serving)

392 Calories
22g Fat
24g Carbs
26g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 392
% Daily Value *
Total Fat 22g 28%
Saturated Fat 12g 58%
Cholesterol 81mg 27%
Sodium 949mg 41%
Total Carbohydrate 24g 9%
Dietary Fiber 4g 13%
Total Sugars 9g
Protein 26g 51%
Vitamin C 9mg 10%
Calcium 730mg 56%
Iron 2mg 8%
Potassium 581mg 12%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.