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Imagine sweet, roasted spaghetti squash strands paired with savory ground turkey, tangy marinara sauce, and gooey melted mozzarella cheese—this stuffed spaghetti squash recipe is the ultimate healthy comfort food for your next weeknight dinner. Whether you’re meal-prepping, feeding a hungry family, or looking for a wholesome, low-carb dinner, this dish has got you covered! For more tips on incorporating squash, check out our guide on the best ways to cook squash.
Why You’ll Love This Recipe
- Flavorful: Combines the sweetness of roasted spaghetti squash with the richness of marinara sauce, juicy ground turkey, and cheesy goodness.
- Healthy and nutritious: Packed with lean protein, fresh veggies, and naturally low-carb ingredients.
- Simple steps: Perfect for all skill levels, with easy-to-follow instructions.
- Versatile: Customize to match your dietary needs with swaps and substitutions. Discover more meal ideas like this healthy dinner recipe collection.
Ingredients Needed

- 1 spaghetti squash (cut in half lengthwise)
- 1 lb. ground turkey
- 1 jar high quality marinara sauce (like Raos)
- 2 handfuls fresh spinach leaves
- ¾ cup shredded mozzarella cheese (divided)
- 2 tbs. parmesan cheese (grated, shredded or shaved)
- olive oil
- salt and pepper
- red pepper flakes (optional)
Ingredient Notes & Substitutions
Ground turkey: Swap with ground chicken, lean ground beef, or plant-based crumbles for a vegetarian version. Learn more about alternative protein sources for healthy recipes.
Cheese options: Use cheddar, feta, or vegan cheese to better fit dietary preferences.
Spinach substitutes: Kale, Swiss chard, or finely chopped zucchini can replace spinach.
Marinara sauce: For additional dietary flexibility, pick a low-sodium or gluten-free marinara, or try making your own.

How to Make Stuffed Spaghetti Squash with Ground Turkey
Roast the Spaghetti Squash
- Preheat your oven to 400°F.
- Brush the cut sides of the spaghetti squash with olive oil and sprinkle with salt and pepper.
- Place the squash halves face down on a parchment-lined baking sheet and roast for 40–50 minutes. The squash is done when the strands pull away easily with a fork.
Prepare the Ground Turkey Mixture
- In a large skillet, heat a tablespoon of olive oil over medium heat.
- Add ground turkey and season with salt, pepper, and optional red pepper flakes. Use a spatula to break the meat into small pieces and cook until fully browned and cooked through.
Incorporate the Marinara Sauce and Spinach
- Pour the marinara sauce into the skillet with the cooked ground turkey.
- Add the fresh spinach leaves and sauté until the spinach has wilted and the sauce is heated through.
Stuff the Squash
- Flip the roasted spaghetti squash halves upright and use a fork to scrape the strands into noodles, leaving them in the shell.
- Mix half of the shredded mozzarella into the squash noodles for added creaminess.
- Evenly divide the turkey mixture between the two squash halves.
Bake and Broil
- Sprinkle the remaining mozzarella and the parmesan cheese over each stuffed squash.
- Bake at 375°F for 10 minutes, then broil for 2–3 minutes until the cheese is golden and bubbling.
How to Roast Spaghetti Squash Perfectly
Roasting spaghetti squash is straightforward if you follow these tips:
- Stabilize the squash with a kitchen towel and cut lengthwise using a sharp knife.
- Scoop out the seeds with a spoon. If you’d like, save them for roasting as a snack.
- Apply olive oil evenly to prevent burning and ensure caramelization.
- The squash is cooked perfectly when the strands pull away effortlessly with a fork.
Pro Tips & Troubleshooting
Pro Tips
- Always roast the squash cut side down to promote even cooking.
- Choose a high-quality marinara sauce for the best flavor.
- Cook the spinach before stuffing to reduce excess moisture.
- Keep the squash shells intact for a nice presentation and easy serving.
- Use freshly grated parmesan for maximum flavor.
- Add a sprinkle of Italian seasoning or fresh herbs for a pop of flavor.
- Finish under the broiler to achieve a bubbly, golden cheese topping.
Common Mistakes to Avoid
- Undercooked squash: Always check if the strands separate easily with a fork; otherwise, the squash isn’t done yet.
- Watery marinara sauce: It can lead to a soggy filling, so pick a thick, high-quality option.
- Overloading the skillet with turkey: This prevents proper browning.
- Skipping spinach cooking: This can add unwanted liquid to your dish.
- Cheese mismatch: Choose cheeses that melt well to achieve the desired gooey texture.
Serving & Storage
Serving Ideas
- Pair with a simple green salad to balance flavors. You might enjoy this collection of green salad recipes.
- Enjoy alongside garlic bread for a classic comfort food combo.
- Add a sprinkle of red pepper flakes if you enjoy a bit of heat.
Storage and Make-Ahead
- Cool the leftovers completely, then store in an airtight container in the fridge for up to 4 days.
- For longer storage, freeze portions in freezer-safe containers for up to 2 months.
- Reheat in a 350°F oven until warmed through, about 10–15 minutes. For quicker reheating, you can use a microwave, heating individual portions in 1-2 minute intervals.
FAQ
What is the best way to roast a spaghetti squash?
Cut the squash lengthwise, scoop out the seeds, brush the cut sides with olive oil, sprinkle with salt and pepper, then roast cut side down on a parchment-lined baking sheet at 400°F for 40–50 minutes until the strands pull apart easily with a fork.
Can I make this recipe ahead of time?
Yes! You can roast the squash and prepare the turkey mixture in advance. Assemble the dish and refrigerate for up to 2 days before baking.
How can I make this dish more filling?
Incorporate cooked quinoa, lentils, or beans into the turkey and marinara filling to add more substance and nutrients.
What are some good side dishes to pair with stuffed spaghetti squash?
A crisp green salad or a side of garlic bread complements this dish beautifully. You could also serve it with steamed broccoli for added veggies.
Can this recipe be made vegan or vegetarian?
Yes! Simply substitute the ground turkey with a plant-based meat alternative and use vegan cheese in place of the mozzarella and parmesan.
What other cheeses work well in this recipe?
Cheddar, feta, provolone, or gouda are excellent alternatives if you want to try a different flavor profile.
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Stuffed Spaghetti Squash with Ground Turkey
Ingredients
Equipment
Method
- Preheat your oven to 400°F.
- Brush the cut sides of the spaghetti squash with olive oil and sprinkle with salt and pepper.
- Place the squash halves face down on a parchment-lined baking sheet and roast for 40–50 minutes. The squash is done when the strands pull away easily with a fork.
- In a large skillet, heat a tablespoon of olive oil over medium heat.
- Add ground turkey and season with salt, pepper, and optional red pepper flakes. Use a spatula to break the meat into small pieces and cook until fully browned and cooked through.
- Pour the marinara sauce into the skillet with the cooked ground turkey.
- Add the fresh spinach leaves and sauté until the spinach has wilted and the sauce is heated through.
- Flip the roasted spaghetti squash halves upright and use a fork to scrape the strands into noodles, leaving them in the shell.
- Mix half of the shredded mozzarella into the squash noodles for added creaminess.
- Evenly divide the turkey mixture between the two squash halves.
- Sprinkle the remaining mozzarella and the parmesan cheese over each stuffed squash.
- Bake at 375°F for 10 minutes, then broil for 2–3 minutes until the cheese is golden and bubbling.

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