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Spaghetti Squash Marinara

Spaghetti Squash Marinara – A Light and Cozy Comfort Dinner

When we want something that feels like pasta night but without the heavy “need-a-nap” aftermath, Spaghetti Squash Marinara is my go-to. It’s fresh, wholesome, and the kind of dinner that lets you twirl your fork and feel fancy—even on a weeknight. Plus, the kids love pulling the “spaghetti” strands out of the squash, so it’s basically dinner and entertainment in one.

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes

Ingredients and Why They Work

spaghetti squash marinara ingredients

Spaghetti Squash – The veggie superstar that roasts into soft, golden strands that mimic pasta without the carbs.
Olive Oil – Brings out the squash’s natural sweetness and helps it caramelize while roasting.
Fine Sea Salt – Enhances every bite and balances the tanginess of the sauce.
Marinara Sauce – The flavorful heart of the recipe. Use your favorite jar or homemade batch for that rich tomato goodness.
Freshly Sliced or Grated Parmesan Cheese – Adds creamy, nutty flavor and the perfect finishing touch.
Thinly Slivered Basil Leaves – Bright and fragrant, basil gives each bite a fresh pop.
Green Olives – Salty, briny bites that make the whole dish more interesting.
Freshly Ground Black Peppercorns – A little kick to balance the sweetness of the squash.
Cooking Oil Spray – Keeps your baking sheet nonstick and makes cleanup a breeze.

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes

How to Make Spaghetti Squash Marinara

Preheat your oven to 400°F and lightly spray a baking sheet with cooking oil spray. Rinse and dry your spaghetti squash, slice off both ends, then cut in half lengthwise. Scoop out the seeds and discard them. Brush or rub the inside of each half with olive oil and sprinkle with sea salt. Place them cut-side down on the baking sheet and roast for 25–30 minutes until the flesh easily shreds into “spaghetti” with a fork. While the squash is cooling slightly, heat your marinara sauce in a pot until warm and bubbly. Use a fork to scrape out the squash strands, toss with marinara, and top with parmesan, basil, olives, and a sprinkle of pepper.

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes!

A Fun Family Story

This recipe has become our mid-week “fancy vegetarian night.” The first time I made it, my kids couldn’t believe the spaghetti was actually a vegetable—they kept twirling their forks like they were on a cooking show. My husband, who loves a good hearty pasta, admitted this one actually made him forget about the noodles. It’s fresh, satisfying, and light enough that we all have room for dessert after.

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes

FAQs for the Best Spaghetti Squash Marinara

Can I make this ahead of time?

Yes! Roast the squash earlier in the day, then reheat and toss with sauce when ready to serve.

Do I have to use green olives?

Nope! You can skip them or swap in black olives, roasted peppers, or even sautéed mushrooms.

Can I make it vegan?

Absolutely—just skip the parmesan or use your favorite plant-based cheese.

Fun Places to Serve Spaghetti Squash Marinara

It’s perfect for family dinners when you want something lighter but still filling. It works great for a potluck because you can roast the squash ahead and warm it before serving. It’s also a solid choice for date night at home—especially if you serve it in the squash shells for that restaurant-style presentation.

spaghetti squash

What Makes My Version Extra Yummy

I keep the flavors bright and balanced by adding fresh basil and briny green olives to break up the richness of the marinara. Serving it right in the squash shells makes the presentation fun, and I swear my kids eat double when it looks “cool.” Plus, it’s one of those vegetarian recipes that doesn’t feel like you’re missing anything—comfort food without the heaviness.

Here are some more amazing recipes to try

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes
Yield: 4 Servings

Spaghetti Squash Marinara: Easy Vegetarian Dinner Recipes

Prep Time: 35 minutes
Total Time: 35 minutes

Super easy Spaghetti Squash marinara recipe using everything you already have on hand in the kitchen!

Ingredients

  • 2 large spaghetti squash
  • 1 jar or your favorite marinara sauce
  • freshly sliced or grated parmesan cheese
  • thinly slivered basil leaves, to taste
  • green olives, to taste
  • freshly ground black peppercorns
  • olive oil
  • fine sea salt, to taste
  • cooking oil spray

Instructions

  1. Preheat oven to 400F and spray a baking sheet with cooking spray oil This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes
  2. Throughly rinse the spaghetti squash, dry and carefully slice off both ends.
  3. Cut the spaghetti squash in half going lengthwise, use a spoon to remove the seeds and discard them.
  4. Lay the squash on the baking sheet and brush or rub the inside with a little olive oil, then sprinkle with salt. This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes
  5. Flip the halves flesh down, bake in center of oven for 25 to 30 minutes or until you can easily scrap away the spaghetti squash from the rind.This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes!
  6. Remove from the oven and allow to cool slightly before using a fork to carefully pull off the spaghetti squash from the rind. This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes!
  7. While you wait for the squash to cool down, heat the marinara sauce in a pot.

Notes

This super easy spaghetti squash marinara recipe is low carb, vegetarian and will be on the table in less than 35 minutes! #lowcarb #squash #vegetarianrecipes

To Serve:

Options #1: Place the scraped off spaghetti squash into a bowl and top with marinara sauce, parmesan, olives and basil and enjoy. You can also stir in the marinara sauce with the squash before serving and adding toppings.

Options #2: Scrap off the spaghetti squash from the rind and leave it inside the squash, then top with marinara sauce, parmesan, olives, basil, olive & freshly ground black pepper. You can also stir in the marinara sauce with the squash before serving and adding toppings.

* This spaghetti squash also pairs well with bolognese sauce or pesto or even with just some sautéed cherry tomatoes, minced garlic and lots of fresh basil.

Nutrition Information

Yield

4

Serving Size

1

Amount Per Serving Calories 214Total Fat 9gSaturated Fat 1gTrans Fat 0gUnsaturated Fat 7gCholesterol 2mgSodium 409mgCarbohydrates 34gFiber 7gSugar 14gProtein 4g

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One Comment

  1. We are eating healthier and cleaner here for the last month or so. And I have been trying tons of new recipes. Been dying to make Spaghetti Squash, but wasn’t sure where to start. So, your recipe came at the perfect time and totally pinning to try. So, thanks so much for sharing and excited to make this now 🙂

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