This is the kind of dinner that feels hearty but keeps things light. Ground turkey simmers in a rich tomato sauce with garlic, onion, and a splash of balsamic, then gets spooned over roasted spaghetti squash for that twirlable, comfort food feel—without the heaviness. It’s simple enough for a Tuesday night and special enough for guests.
If you love high-protein, lighter meals, you might also enjoy this easy bowl-style idea: Greek Style Burger Bowl With Tzatziki. And for another cozy turkey dinner, check out these Healthy Turkey Taco Zucchini Boats.

Healthy Turkey Bolognese With Spaghetti Squash - A Light, Cozy Weeknight Dinner
Ingredients
Method
- Roast the squash. Heat oven to 400°F (200°C). Halve the spaghetti squash lengthwise, scoop out seeds, rub cut sides with 1 teaspoon olive oil, and season with salt and pepper.Place cut-side down on a lined sheet and roast 35–45 minutes until tender and strands pull easily with a fork.
- Start the sauce base. While the squash roasts, heat 1 teaspoon olive oil in a large skillet over medium heat. Add onion, carrot, and celery. Cook 5–7 minutes until soft and lightly golden.Add garlic and cook 30 seconds.
- Brown the turkey. Add ground turkey, season with salt and pepper, and cook 5–7 minutes, breaking it up until no longer pink and lightly browned.
- Build flavor. Stir in tomato paste and cook 1 minute. Add crushed tomatoes, broth, Italian seasoning, oregano, and red pepper flakes if using. Bring to a simmer.
- Simmer low and slow. Reduce heat and simmer 15–25 minutes, stirring occasionally, until the sauce thickens and tastes rich.Stir in balsamic vinegar, then taste and adjust salt and pepper. If it’s too thick, splash in more broth.
- Shred the squash. Flip the roasted squash, let it cool a few minutes, then use a fork to pull it into strands. Season with a pinch of salt and pepper.
- Serve. Pile squash into bowls, spoon bolognese over the top, and finish with fresh herbs and Parmesan if you like.
What Makes This Special

Spaghetti squash stands in for pasta, bringing a light texture and a touch of sweetness. The turkey bolognese cooks down into a deep, savory sauce that clings to each strand.
You still get the classic notes—garlic, tomato, herbs—just in a leaner, weeknight-friendly package. It’s also meal-prep gold because it reheats beautifully.
What You’ll Need
- 1 large spaghetti squash (about 3–4 lbs)
- 1 lb lean ground turkey (93% or 99% lean)
- 1 medium yellow onion, diced
- 3 cloves garlic, minced
- 1 medium carrot, finely diced
- 1 celery stalk, finely diced
- 1 tablespoon tomato paste
- 1 (28-oz) can crushed tomatoes (or tomato passata)
- 1/2 cup low-sodium chicken broth (or water)
- 1 teaspoon Italian seasoning
- 1/2 teaspoon dried oregano (optional, for extra herbiness)
- 1/4–1/2 teaspoon crushed red pepper flakes (optional)
- 1 tablespoon balsamic vinegar
- 2 teaspoons olive oil, divided
- Kosher salt and black pepper, to taste
- Fresh basil or parsley, chopped (for garnish)
- Grated Parmesan (optional, for serving)
Step-by-Step Instructions

- Roast the squash. Heat oven to 400°F (200°C). Halve the spaghetti squash lengthwise, scoop out seeds, rub cut sides with 1 teaspoon olive oil, and season with salt and pepper.
Place cut-side down on a lined sheet and roast 35–45 minutes until tender and strands pull easily with a fork.
- Start the sauce base. While the squash roasts, heat 1 teaspoon olive oil in a large skillet over medium heat. Add onion, carrot, and celery. Cook 5–7 minutes until soft and lightly golden.
Add garlic and cook 30 seconds.
- Brown the turkey. Add ground turkey, season with salt and pepper, and cook 5–7 minutes, breaking it up until no longer pink and lightly browned.
- Build flavor. Stir in tomato paste and cook 1 minute. Add crushed tomatoes, broth, Italian seasoning, oregano, and red pepper flakes if using. Bring to a simmer.
- Simmer low and slow. Reduce heat and simmer 15–25 minutes, stirring occasionally, until the sauce thickens and tastes rich.
Stir in balsamic vinegar, then taste and adjust salt and pepper. If it’s too thick, splash in more broth.
- Shred the squash. Flip the roasted squash, let it cool a few minutes, then use a fork to pull it into strands. Season with a pinch of salt and pepper.
- Serve. Pile squash into bowls, spoon bolognese over the top, and finish with fresh herbs and Parmesan if you like.
How to Store
Store the sauce and squash separately for best texture.
Keep both in airtight containers in the fridge for up to 4 days. The sauce also freezes well for up to 3 months; thaw overnight and reheat gently. If the sauce thickens after chilling, loosen with a splash of broth when reheating.
Why This Is Good for You
– High protein, lower fat: Lean turkey packs protein without weighing you down. – More veggies, more fiber: Spaghetti squash plus carrot and celery add volume and nutrients. – Steady energy: This combo keeps you full and satisfied—great for busy evenings and next-day lunches.
For another feel-good, high-protein dinner idea, try this High Protein Low Carb Pizza Bowl.
What Not to Do
– Don’t rush the simmer. Those extra minutes make the sauce rich and balanced. – Don’t skip seasoning the squash. A pinch of salt and pepper makes a big difference. – Don’t overcrowd the pan when browning turkey. You want color, not steam. – Don’t forget acid. That small splash of balsamic brightens everything.
Variations You Can Try
– Creamy twist: Stir in 2–3 tablespoons light ricotta or a splash of half-and-half at the end. For another creamy but lighter pasta, see Creamy Greek Yogurt Alfredo Chicken Pasta. – Extra veggies: Add diced mushrooms, zucchini, or spinach to the sauce during the simmer. – Herb-forward: Swap Italian seasoning for fresh basil and thyme. – Spicy: Add more red pepper flakes or a pinch of Calabrian chili. – Cheesy finish: Top with shaved Parmesan or dollops of part-skim ricotta. For another simple, bright pasta night, check out Mediterranean Cream Cheese Pasta or go veggie-forward with Spring Veggie Green Pasta.
FAQ
Can I use ground chicken instead of turkey?
Yes, ground chicken works well.
Choose a lean blend and follow the same steps. You may need a pinch more salt and a drizzle of olive oil to prevent dryness.
How do I know when the spaghetti squash is done?
The skin should give slightly when pressed, and a fork should pull long strands with little resistance. If it feels stiff, roast another 5–10 minutes.
What if my sauce tastes too acidic?
Simmer a little longer, then add a small pinch of sugar or an extra splash of broth.
A knob of butter can also round out sharp edges.
Can I make this in a slow cooker?
Yes. Brown the turkey and aromatics first on the stove, then transfer to a slow cooker with the remaining sauce ingredients. Cook on Low for 4–6 hours.
Roast squash separately.
Is this good for meal prep?
Absolutely. Portion the squash and sauce in separate containers, then combine when reheating. It keeps texture better that way.
Wrapping Up
Healthy Turkey Bolognese with Spaghetti Squash delivers that cozy, saucy bowl you crave—just lighter, brighter, and meal-prep friendly.
It’s a simple formula you’ll use again and again. If you want another weeknight winner that leans light but satisfying, bookmark this One Pot Parmesan Chicken Orzo. And for a veggie-packed soup to pair with leftovers, try Mediterranean Vegetable Soup.
Enjoy your bowl—spoon, twirl, smile.




