Why You’ll Love This Recipe
Spaghetti Squash Marinara is a light, low-carb twist on classic pasta that’s just as comforting and delicious. Roasted spaghetti squash stands in for noodles, topped with a savory garlic marinara sauce and finished with fresh herbs and Parmesan. It’s healthy, satisfying, and perfect for weeknights, meal prep, or a wholesome dinner option.
ingredients
Tip: You’ll find the full list of ingredients and measurements in the recipe card below.
spaghetti squasholive oilgarlic (minced)onion (chopped)crushed or diced tomatoes (canned)basil or Italian seasoningoregano (dried)saltblack pepperred pepper flakes (optional)Parmesan cheese (grated)fresh parsley or basil (for garnish)
directions
Preheat oven to 400°F (200°C). Slice spaghetti squash in half lengthwise and scoop out the seeds.
Brush the cut sides with olive oil and season with salt and pepper. Place cut side down on a baking sheet.
Roast for 35–40 minutes until tender and strands easily pull away with a fork.
While squash roasts, heat olive oil in a pan over medium heat. Sauté onion and garlic for 2–3 minutes until fragrant.
Add crushed tomatoes, Italian herbs, oregano, salt, pepper, and red pepper flakes if using. Simmer for 15–20 minutes until thickened.
Use a fork to scrape spaghetti-like strands from the squash halves.
Top with warm marinara sauce and sprinkle with Parmesan cheese and fresh herbs.
Serve in the squash shell or plate as desired.
Servings and timing
This recipe serves 2–4.Preparation time: 10 minutesCooking time: 35–40 minutesTotal time: 45–50 minutes
Variations
Add sautéed mushrooms or spinach to the sauce.
Top with mozzarella and broil for a melty finish.
Use a meat sauce or turkey marinara for added protein.
Try pesto or Alfredo instead of marinara for a twist.
Make it vegan by skipping the cheese or using a plant-based alternative.
storage/reheating
Store leftovers in an airtight container in the fridge for up to 4 days.Reheat in the microwave or oven until warmed through.Can be frozen, though texture of squash may soften slightly after thawing.
FAQs

Can I cook spaghetti squash in the microwave?
Yes, pierce it with a fork and microwave for 8–12 minutes, turning halfway through.
Is spaghetti squash healthy?
Yes, it’s low in calories and carbs, and high in fiber and vitamins.
Can I make the marinara ahead of time?
Absolutely—it stores well in the fridge or freezer.
What’s the texture of spaghetti squash like?
It’s tender with a slight crunch, similar to al dente pasta.
Can I add protein?
Yes—grilled chicken, sausage, or lentils work great with this dish.
How do I know when the squash is done?
It should be fork-tender and the strands should easily pull away from the skin.
Conclusion
Spaghetti Squash Marinara is a nourishing, veggie-forward alternative to traditional pasta that doesn’t compromise on taste or satisfaction. With its tender, noodle-like strands and rich tomato sauce, it’s a cozy yet clean option for any day of the week. Simple, wholesome, and full of flavor—this recipe is a keeper.
PrintSpaghetti Squash Marinara
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Total Time: 50 minutes
- Yield: 2–3 servings
- Category: Dinner
- Method: Baking
- Cuisine: Italian-Inspired
- Diet: Gluten Free
Description
This Spaghetti Squash Marinara is a light and healthy twist on traditional pasta. Roasted spaghetti squash is topped with rich marinara sauce and finished with Parmesan and fresh herbs for a comforting, veggie-packed meal that’s gluten-free, low-carb, and incredibly satisfying!
Ingredients
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1 medium spaghetti squash
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1 tablespoon olive oil
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Salt and black pepper, to taste
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2 cups marinara sauce (store-bought or homemade)
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1/4 cup grated Parmesan cheese (optional)
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2 tablespoons chopped fresh basil or parsley (optional)
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Optional: red pepper flakes, for heat
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Optional: 1/2 teaspoon Italian seasoning, if using plain tomato sauce
Instructions
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Preheat oven to 400°F (200°C).
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Cut the squash in half lengthwise and scoop out the seeds.
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Brush the inside with olive oil and season with salt and pepper.
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Place cut-side down on a baking sheet and roast for 35–40 minutes, or until tender.
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Let cool slightly, then use a fork to scrape the inside into spaghetti-like strands.
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Heat marinara sauce in a saucepan over medium heat. Season with red pepper flakes or Italian seasoning if desired.
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Divide spaghetti squash into bowls, top with warm marinara, and sprinkle with Parmesan and herbs.
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Serve hot and enjoy!
Notes
Add sautéed mushrooms, spinach, or ground turkey to the sauce for extra flavor and protein.
For a dairy-free version, skip the Parmesan or use nutritional yeast.
Can be made ahead – store roasted squash and sauce separately in the fridge.
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