In this low-carb spaghetti squash lasagna recipe, garlicky broccolini, spaghetti squash and cheese are combined for a healthy take on a favorite casserole. This bakes right in the squash shells for a fun presentation. Serve with a big Caesar salad and some warm and crusty whole-grain bread.

Breana Killeen
Source: EatingWell Magazine, November/December 2014
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Ingredients

Ingredient Checklist

Directions

Instructions Checklist
  • Position racks in upper and lower thirds of oven; preheat to 450 degrees F.

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  • Place squash cut-side down in a microwave-safe dish; add 2 tablespoons water. Microwave, uncovered, on High until the flesh is tender, about 10 minutes. (Alternatively, place squash halves cut-side down on a rimmed baking sheet. Bake in a 400 degrees F oven until the squash is tender, 40 to 50 minutes.)

  • Meanwhile, heat oil in a large skillet over medium heat. Add broccolini, garlic and red pepper (if using); cook, stirring frequently, for 2 minutes. Add water and cook, stirring, until the broccolini is tender, 3 to 5 minutes more. Transfer to a large bowl.

  • Use a fork to scrape the squash from the shells into the bowl. Place the shells in a broiler-safe baking pan or on a baking sheet. Stir 3/4 cup mozzarella, 2 tablespoons Parmesan, Italian seasoning, salt and pepper into the squash mixture. Divide it between the shells; top with the remaining 1/4 cup mozzarella and 2 tablespoons Parmesan.

  • Bake on the lower rack for 10 minutes. Move to the upper rack, turn the broiler to high and broil, watching carefully, until the cheese starts to brown, about 2 minutes.

Tips

Easy cleanup: To save time and keep your baking sheet looking fresh, line it with a layer of foil before you bake.

Nutrition Facts

193.6 calories; protein 11g 22% DV; carbohydrates 14.6g 5% DV; exchange other carbs 1; dietary fiber 2.4g 10% DV; sugars 4.7g; fat 10.8g 17% DV; saturated fat 4.6g 23% DV; cholesterol 22.7mg 8% DV; vitamin a iu 1234.8IU 25% DV; vitamin c 47.3mg 79% DV; folate 18.1mcg 5% DV; calcium 313.7mg 31% DV; iron 1.1mg 6% DV; magnesium 24.7mg 9% DV; potassium 346.6mg 10% DV; sodium 608.9mg 24% DV; thiamin 0.1mg 7% DV.

Reviews (41)

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44 Ratings
  • 5 star values: 26
  • 4 star values: 12
  • 3 star values: 3
  • 2 star values: 3
  • 1 star values: 0
Rating: 5 stars
11/05/2019
Amazing! Was trying to be good but so surprised at the satiating good taste! Read More
Rating: 2 stars
09/24/2019
How is this lasagna? “Lasagne” is the wide, flat shaped noodle (to which spaghetti squash bears zero resemblance) and American “lasagna” refers to a layered casserole. Honestly it’s more like macaroni and cheese. Read More
Rating: 5 stars
06/29/2019
I didnt have broccolini either so used frozen broccoli. I added shrimp. Came out great ate half of the squash each. I used a bit less of the cheese trying to keep the fat content down but is a great recipe and very cool looking!!! Read More
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Rating: 4 stars
04/15/2019
hubby and I liked it. Unfortunately I am allergic to broccoli cauliflower and Brussel sprouts so I had to substitute. I used 1/2 in. diced zucchini and as it was cooking it dawned on me that eggplant would have been another good substitute. I made 1/2 a recipe (my squash was 24 oz.) and I sautéed one hot Italian link with the garlic and zucchini. Otherwise everything else was as written. I thought I was going to miss the sauce that lasagna has but I didn't. I served it with Caesar Salad and baguette. Read More
Rating: 5 stars
03/31/2019
I added 2 bratwurst and otherwise followed the recipe exactly (including the crushed red pepper flakes). Unlike others we thought it was a very good amount of cheese and would even consider more next time (seriously there is no such thing as too much cheese). Would also consider a little extra crushed red pepper flakes. Had with a piece of crusty baguette. Will make again! Read More
Rating: 4 stars
03/01/2019
I've only used spaghetti squash once before. I found it difficult to remove the squash without crumbling the shell inward. I ended up with a few tears in the shell but it still worked. Does anyone know why my shells crumbled? Could it be because I let them cool completely? I found it to be kind of greasy but it seemed to come from the oil used for the garlic and broccolini. Like many others I didn't have broccolini. I used a combo of fresh spinach and thawed frozen broccoli. I'll add more of the green veg next time and probably some blistered cherry tomatoes too. Overalls pretty good and very filling. Huge servings! Read More
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Rating: 5 stars
02/13/2019
I used regular broccoli and added mushrooms and sausage!!! so so good i will be making this again! Read More
Rating: 5 stars
10/30/2018
I added sun-dried tomato chicken sausage from Trader Joe's. We typically prefer more of a sauce with spaghetti squash so I was skeptical but this was really good! Read More
Rating: 5 stars
10/10/2018
I couldn't find broccolini in the store so I used regular broccoli and added sausage. It was delicious! Will definitely be making again. Read More
Rating: 5 stars
09/21/2018
Rating: 5 stars
09/18/2018
I added chicken and used normal brocolli. This was a fantastic recipe. Can't wait to make it again. Read More
Rating: 4 stars
04/03/2018
A good an hearty dish the only change I would make is adding more broccolini than recommended. But Ive never made spaghetti squash and it was good! Read More
Rating: 5 stars
03/24/2018
I have been searching for my Easter Vegan main course I found it!! Only changes dairy alternative chz a mix of Swiss and mozz and a light sprinkle of Italian with lemon seasoning. The lemon will add some brightness! I had a smallish squash on hand for a taste test it passed!!! I now have the main course! My Vegan friends will be pleased! I am not Vegan just dairy alternative sooo.....I will try adding the ground meat next time! Humm...for Easter mushrooms in wine sauce for a side! Thanx for sharing this recipe! And Thanx for all of the reviews/suggestions!!!raf Read More
Rating: 5 stars
02/26/2018
I'm giving this five stars because it tasted so good! If I had to rate MY performance I'd give it one star simply because this was the first time I ever made spaghetti squash. It wasn't the easiest thing to fork out the spaghetti when the squash was hot having just come out of the microwave. Everything came together nicely though! I only used the amount of cheese I found was needed too. It wasn't as much as the recipe called for. Read More
Rating: 5 stars
01/23/2018
Loved it!!! Very easy to make!!! Read More
Rating: 5 stars
01/05/2018
Delicious!! I will definitely be making this again. Read More
Rating: 4 stars
01/04/2018
We loved this dish as a side to our Pork Loin roast! I didnt have broccolini so I used regular broccoli and steamed it instead of sauteing bc I felt that there was plenty of fat in the cheeses:) thank you for a delish recipe! Read More
Rating: 2 stars
10/15/2017
Was okay... Took a lot of time to cook and wasn't very flavorful. Wouldn't make it again. Read More
Rating: 4 stars
10/15/2017
This recipe was very good but I have to agree with some of the other reviews here - it does call for way too much cheese. I would at least half it next time around. Read More
Rating: 4 stars
06/28/2017
This was a hit for my husband and me. Though nothing except the cheese says "lasagna" about this dish it is nevertheless very flavorful and surprisingly filling. The garlic certainly adds most of that flavor while the cheeses and seasoning give it a little more Italian taste. Garlic bread would have been a nice treat to add to this meal (especially if you're a garlic lover like me). Read More
Rating: 3 stars
05/25/2017
TOO much cheese. Other than that a little bland. I would suggest that you cut the cheese in half and add a little tomato sauce. Read More
Rating: 5 stars
05/22/2017
I will definitely make it again. I browned some ground turkey add mushrooms onion garlic. Loved it Read More
Rating: 5 stars
05/07/2017
I made the recipe for my husband and I. We are both looking for more vegetarian meals. I did not have broccolini on hand so substituted fresh spinach. I also lessened the amount of cheese by about 1/3. I found this dish with the spinach easy to make but pretty true to the time given. My husband and I found the dish delicious and definitely one to add to our vegetarian menu! Read More
Rating: 4 stars
05/04/2017
Easy and delicious! Read More
Rating: 5 stars
04/28/2017
I loved it! It was awesome! I added some shallots too--and Mrs. Dash regular seasoning. And a smidgeon more olive oil when I was mixing the filling. Read More
Rating: 4 stars
03/31/2017
Great dish but more like a side dish than a main. I'd add ground turkey or turkey sausage crumbles next time so it could be the main entree. I thought there was a little too much cheese for my taste but overall super yummy and time consuming. Read More
Rating: 5 stars
02/05/2017
A family favorite indeed....definitely a lot more prep time than I anticipated but so worth it...try adding in lean ground turkey or chicken for added protein Read More
Rating: 5 stars
01/10/2017
This was delicious! I made it exactly according to the recipe. It was so good that I ate 2 portions. Read More
Rating: 5 stars
01/06/2017
If baking in oven instead of microwaving do you still need to add water Read More
Rating: 5 stars
11/05/2016
WOW! This was delish! First time eating spag. squash for my hubby & 9 yr. old son but they really liked this! I did make a few changes to the original recipe: Added mild Italian turkey sausage crumbles sweet onions and many spices (cumin curry oregano turmeric). I also added some cayenne pepper to my husband's portion since he likes food with heat. I didn't need to broil it after the 10 mins. in the oven on the low rack. TIP: I microwaved the entire squash in tact with a knife slice in it for 5 mins. to soften it up enough so I cold easily cut it in half. Careful to let it cool first. This was truly a filling and delicious meal! Highly recommend! Read More
Rating: 5 stars
10/28/2016
Yes I added Italian sausage and mushrooms yellow onion. And some green red bell peppers it was amazing my family loved it.. I will definitely make this again.. Read More
Rating: 5 stars
09/26/2016
So delicious!!! I added a little chopped Italian sausage & chopped shallots. I opted to first baked the spaghetti squash in the oven instead of microwaving it. Took longer this way. But well worth the extra time. Read More
Rating: 4 stars
04/23/2016
AMAZING I have been dieting and eating right and I found this recipe and was so excited to try something new. I have NEVER had Spaghetti Squash in my life so this was a major risk for me!! So glad I did. It was AMAZING! I will be making this Pros: Easy delicious filling Cons: None Read More
Rating: 4 stars
04/18/2016
Added meat! I followed it exactly except I added 1/2 pound ground turkey seasoned with homemade (from the garden) herbs. No salt(The cheese has enough. Cooked meat then added broccoli. Butter steamed and cooked that. And mixed it in. Pros: Filling delicous and you dont feel massive after eating a whole half of squash! Read More
Rating: 5 stars
04/18/2016
Delicious! Five stars! Made this according to the recipe. So so good. I could eat this every week! Next time I'm going to add some cremini mushrooms. Read More
Rating: 5 stars
05/11/2015
Best way to eat spaghetti suash You can make this dish as spicy as you desire. I added extra spice (Ms. Dash and red pepper flakes) and it was fabulous. Easy and quick to prepare reheats well. This will become a staple in my house. Pros: Very flavorful easy and quick to prepare. Read More
Rating: 3 stars
04/26/2015
Had this for dinner last night and we enjoyed it. I used broccoli since I didn't have broccoli it was fine. This is a good way to serve spaghetti squash as a side dish. Read More
Rating: 3 stars
02/18/2015
Overall pretty good. I added sweet onions to the broccoli mix Ms. Dash and extra cheese. I used a shredded four cheese asiago blend which gave it a good flavor. We had cheese bread on the side. I loved that it was meat-free and I'd make it again. Read More
Rating: 2 stars
02/11/2015
Needed...something I like the concept of this dish and added white beans to get some protein in there but overall I thought it was bland. I added some red bell pepper and celery seed and used vegetable stock instead of water and it was still lacking. Read More
Rating: 5 stars
01/31/2015
Super Yum! I added some tomato sauce and veggie ground and this was incredibly satisfying and low cal - it's made the week night rotation. Love it! Pros: Quick Low Cal and Satisfying Cons: none Read More
Rating: 5 stars
11/09/2014
Delicious vegetarian entree My (carnivorous) husband and I both loved this dish. I had no broccolini on hand so I used a bunch of baby spinach (cooking it for less time and without the added water). If I made this again I would probably microwave the squash whole (pierced with a knife) and then cut it since cutting the raw squash was a challenge. I might also mix in some vegetarian sausage crumbles to make it a bit heartier. Delicious! Pros: easy quick delicious versatile Read More