Spaghetti Squash Lasagna

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Roasted spaghetti squash layered with marinara sauce, mozzarella, parmesan, and ricotta cheese is a low-carb, high-fiber vegetarian lasagna.

Spaghetti Squash Lasagna
Spaghetti Squash Lasagna

This Spaghetti Squash Lasagna is a delicious way to prepare spaghetti squash, a winter squash resembling strands of spaghetti when cooked. Roasted spaghetti squash “noodles” are layered with marinara sauce, mozzarella, and ricotta cheese and baked in the oven until the cheese is melted. This healthy lasagna is naturally gluten-free and vegetarian. More of my favorite spaghetti squash recipes are Spaghetti Squash Sausage Lasagna Boats and Beef and Mushroom Ragu with Spaghetti Squash.

Does spaghetti squash taste like pasta?

Spaghetti squash tastes nothing like pasta, but its mild taste works wonderfully with sauces you would normally eat over pasta. Technically, this meal is not a lasagna since there is no pasta, but it is layered as you would a lasagna.

How to Cook Spaghetti Squash

I prefer to roast spaghetti squash in the oven, which is simple, but you can make it in the microwave if you need it quickly. I go into details about both of these methods in this post. If the squash is too hard to cut in half before baking it, microwave it for a couple of minutes, and then try slicing it. Once cooked, use a fork to separate the strands.

How to Meal Prep

You can meal prep this easy spaghetti squash lasagna. Roast the squash and layer the lasagna the day before and store it in the refrigerator until you’re ready to bake it.

How long do I cook spaghetti squash lasagna?

To cook spaghetti squash lasagna, cover the dishes with foil and bake for 15 to 20 minutes until the cheese is melted and the edges start to bubble. Remove the foil and cook for an extra five minutes to brown the top.

Most Asked Questions

  • How many cups is in one spaghetti squash? One large spaghetti squash generally yields three cups of “noodles.”
  • Can I make this lasagna in a larger container? I love using individual-sized oven-safe casseroles for perfect portion control. If you don’t have these small dishes, make the recipe with an 8” x 8” baking dish, or double it and bake it in a 9” x 13” one.

Variations:

  • Sauce: I always have a jar of my quick marinara sauce on hand, which comes in handy to whip up quick weeknight meals. If you don’t have homemade marinara, use your favorite store brand.
  • Meat: Add cooked Italian turkey sausage or lean ground beef to the sauce.
  • Veggies: Feel free to add extra vegetables, like roasted veggies, sauteed onion, garlic, and bell pepper.

 

Spaghetti Squash Lasagna

More Spaghetti Squash Recipes You’ll Love:

Spaghetti Squash Lasagna
Print WW Personal Points
4.89 from 9 votes
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Spaghetti Squash Lasagna

8+
291 Cals 19.5 Protein 21 Carbs 13.5 Fats
Prep Time: 10 mins
Total Time: 1 hr 30 mins
Yield: 4 servings
COURSE: Dinner
CUISINE: Italian
Strands of roasted spaghetti squash are layered with marinara sauce, mozzarella and ricotta cheese, then baked in the oven until the cheese is melted and all the flavors bake together.

Ingredients

Instructions

  • Preheat oven to 375F.
  • In four individual 5 x 7-inch oven safe baking dishes, ladle 1/4 cup quick marinara sauce on the bottom of each dish.
  • Top each with 3/4 cup of cooked spaghetti squash and spread evenly.
  • Top each with 1/4 cup ricotta. Sprinkle 1 teaspoon of grated Parmesan cheese and .75 oz mozzarella on each.
  • Add the remaining sauce, Parmesan and mozzarella cheese.
  • Cover with foil and bake for 15 - 20 minutes, or until the cheese is melted and the edges begin to bubble; uncover and cook an additional 5 minutes.

Nutrition

Serving: 1lasagna, Calories: 291kcal, Carbohydrates: 21g, Protein: 19.5g, Fat: 13.5g, Sodium: 358mg, Fiber: 2.5g
WW Points Plus: 7
Keywords: spaghetti squash lasagna, spaghetti squash recipes, Vegetarian Meals, veggie lasagna

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154 comments

  1. Do you think this freezes well?

  2. Delicious! Made as a whole serving in a larger baking dish instead of splitting into 4 but used the same amount of ingredients. Total cook time severely reduced by microwaving the squash instead of baking!! I also used 3/4 lb ground beef and mixed with the 2 cups of marinara before layering, and then layered the exact way as outlined above. Will be making again 🙂

  3. Mine was a mess.  Very hard to dish up and it was watery.

  4. I made this and added ground turkey sausage and omg was it delicious,,  I will definitely be making this again!,

  5. So about how much is a serving? 1 Cup?

  6. I didn't have ricotta, so I used cream cheese…THIS WAS AMAZING!

  7. I just used Spaghetti Squash with another of you recipes the Cajun Chicken pasta on the lighter side. Instead of the Linguini I used Spaghetti Squash and It was Amazing! That recipe will become one of my family regulars! FORSURE!!!!!

  8. Is it ok to eat the whole pan – wow that looks good!

  9. healthy lasagna!?! count me in!!!

  10. I made this for the first time last night and it is AMAZING! Yes, the texture is different because it's spaghetti squash, but the taste is amazing! The serving size is huge for the calories and it definitely fills you up!

  11. Made this twice so far and just love it!

  12. I made this and I love it! Especially when it is portioned out. I am thinking of adding ground turkey next time, it adds 3 extra points. Any thoughts?

  13. I added sauté mushrooms. Superb meal! Any change in points when using commercially prepared marinara?

  14. I made this yesterday and I was really surprised how filling it was! I added some sautéed onions and garlic. Thanks for another great way to use up the Spaghetti squash we grew this summer!

  15. If I freeze this, do I cook it first and then freeze it, or just assemble it and freeze it? Sorry, I'm still a cooking newbie!

    Rebecca S

  16. Is there a reason this is four individual 5×7 pans? Would it be okay to do it all together but in a 9×13? Would you suggest any different cooking temp and times? Thanks.

    • That’s how I did it and you can’t cut it like regular lasagna… it’s jus tall in a glop.  So individual dishes is a must.  Wish I had waited until I had some.

  17. I think this will be the first spaghetti squash recipe I attempt to serve my kids. Looks delicious!

  18. My vegetable hating 4 year old asked for 2nds! Thanks so much Gina.

  19. I really like fast food and you have shared here that food which i like most thanks.

  20. I cant wait to try this.I have never had spaghetti squash before and I received one in my box this week. I will substitute the ricotta for my tofu ricotta recipe that i love and possibly top this with fresh basil from the garden.. I'm excited !! Thank you for posting!=)