Creamy Tuscan Chicken Spaghetti Squash Dinner

Featured in Dinner Classics.

Enjoy a healthier twist on a classic with this creamy Tuscan chicken spaghetti squash. Flavorful chicken, sun-dried tomatoes, and spinach in a rich sauce.
Maria Rodriguez - Recipe Author
Updated on March 30, 2026 at 08:52 AM
Prep Time: 25 min Cook Time: 35 min Total Time: 1 hr 4 Servings Intermediate
Creamy Tuscan Chicken Spaghetti Squash Dinner - Featured Image Pin it
Creamy Tuscan Chicken Spaghetti Squash Dinner | Recipes By Megan

Hey there, my foodie friends! You know those nights when you crave something utterly comforting and packed with flavor, but also, like, kinda healthy? That was me last Tuesday. I was staring into the fridge, dreaming of creamy pasta but wanting to ditch the heavy carbs. That's when the idea for this amazing Tuscan Chicken Spaghetti Squash recipe hit me like a delicious lightning bolt! It’s become a total weeknight hero in my kitchen.

Oh gosh, the first time I made this, I was so excited I forgot to pierce the spaghetti squash before roasting. Big mistake! About 20 minutes in, I heard this loud POP from the oven. My poor squash had exploded a bit, sending strands flying. Cleanup was… memorable. Now, I always, always, always poke those holes!

Gathering the Goodies for Your Tuscan Chicken Spaghetti Squash

  • 1 medium spaghetti squash (about 2 1/2 lbs): This is our magic pasta substitute, hon! I used to be intimidated by spaghetti squash, but it’s actually super easy to prep. When roasted just right, it pulls apart into these lovely, tender strands that soak up all that creamy sauce. It’s the perfect light base for our Tuscan Chicken Spaghetti Squash, giving us that satisfying 'noodle' feel without the gluten or heavy carbs. Plus, it's packed with vitamins, win-win!
  • 2 tbsp olive oil (for squash): A good quality olive oil is non-negotiable here. It’s what helps our spaghetti squash get that beautiful, slightly caramelized edge and tender texture. Honestly, don't skimp on this. I’ve tried using less to be 'healthier' and the squash just comes out a bit dry and sad. A little bit of good oil makes all the difference in roasting it to perfection.
  • 1 1/2 lbs boneless, skinless chicken breast: Our protein powerhouse! I love chicken breast because it cooks up quickly and takes on flavors so well. If you're not a fan of breast, chicken thighs work beautifully too, just adjust cooking time. I always make sure mine are evenly sized so they cook at the same rate nobody wants one dry piece and one undercooked piece, right? Patting them dry is key for a good sear!
  • 1 tsp dried Italian seasoning: This is where the 'Tuscan' magic really starts to happen! This blend usually has oregano, basil, rosemary, and thyme, which are the backbone of so many amazing Italian dishes. It’s that familiar, aromatic scent that just screams 'comfort food.' Don't be shy, but don't overdo it either. It perfectly seasons our chicken for this delicious Tuscan Chicken Spaghetti Squash.
  • 1/2 yellow onion, diced: The humble onion! It's the unsung hero that starts almost every great sauce. When you sauté it gently, it releases its sweet, aromatic goodness, creating a foundational layer of flavor for our creamy sauce. I always take my time with this step, letting it get tender and translucent. It builds such a beautiful depth that you really notice in the final dish.
  • 1/2 tsp salt, 1/4 tsp black pepper (for chicken): Salt and pepper aren't just seasoning, they're flavor enhancers! They bring out the best in the chicken, making it taste like, well, chicken. I always season my chicken directly before searing. It’s a simple step, but it makes a huge impact on the overall taste of your dish. Don't forget to taste and adjust the sauce later, but a good initial seasoning is crucial.

Let's Cook! Making Your Tuscan Chicken Spaghetti Squash

Step 1: Prep & Roast Squash:
Okay, first things first, let's get that squash ready! Carefully slice your spaghetti squash in half lengthwise a sharp knife is your best friend here. Scoop out those seeds and stringy bits. Then, brush the cut sides with olive oil, sprinkle with salt and pepper. Place them cut-side down on a baking sheet. Pop it into a hot oven and let it roast until tender. You'll know it's ready when you can easily pierce the skin with a fork. This step is crucial for the perfect base of our Tuscan Chicken Spaghetti Squash.
Step 2: Sear Chicken:
While the squash is doing its thing, let's get our chicken beautifully browned. Pat your chicken breasts dry this is key for a good sear, trust me! Season them generously with Italian seasoning, salt, and pepper. Heat that tablespoon of olive oil in a large skillet over medium-high heat. Once shimmering, lay the chicken in and sear for about 4-5 minutes per side until golden brown and cooked through. Remove it from the pan and set aside. Don't clean the pan, we want those yummy browned bits for our sauce!
Step 3: Sauté Aromatics:
Now for the flavor foundation! In that same skillet with all those delicious chicken bits, add your diced yellow onion. Sauté it over medium heat until it's softened and translucent, about 5-7 minutes. If you have some garlic or sun-dried tomatoes you want to add, now's the time! This step really builds the aromatic base for the creamy sauce that will coat our Tuscan Chicken Spaghetti Squash. It's going to smell amazing, I promise!
Step 4: Simmer Creamy Sauce:
Alright, this is where the magic happens and our 'creamy' dreams come true! Deglaze the pan with a splash of broth or white wine, scraping up all those flavorful bits. Then, add whatever makes your sauce creamy maybe some broth and a touch of cream cheese, or a healthier option like a little unsweetened almond milk with nutritional yeast. Bring it to a gentle simmer, letting it thicken slightly. This forms the luscious heart of our Tuscan Chicken Spaghetti Squash.
Step 5: Wilt Spinach & cheese:
Almost there! Once your sauce is simmering beautifully, it’s time to add the green goodness. Toss in a big handful or two of fresh spinach. It'll look like a mountain, but it wilts down super fast. Stir it until it's just tender. Then, stir in some grated Parmesan cheese until it melts into the sauce, making it even richer and more delicious. This step adds color, nutrients, and that irresistible cheesy finish to our dish.
Step 6: Shred Squash & Combine:
By now, your roasted spaghetti squash should be perfectly tender. Use a fork to gently scrape out the strands they'll naturally separate into 'spaghetti' for your Tuscan Chicken Spaghetti Squash. Slice your seared chicken into bite-sized pieces. Add the chicken and the spaghetti squash strands directly into your creamy Tuscan sauce. Toss everything gently to combine, making sure every strand and piece of chicken is coated in that glorious sauce. Taste, adjust seasoning, and get ready to serve!

Cooking is my happy place, truly. There's something so therapeutic about chopping, stirring, and watching simple ingredients transform into something wonderful. This recipe, in particular, always brings a smile to my face. It's a testament to how creative and satisfying healthy eating can be. I just love bringing these flavors to life in my kitchen!

Keeping Your Tuscan Chicken Spaghetti Squash Fresh

Got leftovers of your amazing Tuscan Chicken Spaghetti Squash? Lucky you! Store it in an airtight container in the fridge for up to 3-4 days. I’ve definitely had moments where I forgot about it for a day too long, and oops, that’s a sad sight. For best results, reheat gently in a skillet over low heat, or microwave, adding a splash of broth or water if the sauce seems a bit thick. Freezing is possible, but the spaghetti squash can get a bit watery when thawed, so it's best enjoyed fresh from the fridge. Just make sure it's completely cooled before storing, to avoid any condensation.

Creamy Tuscan Chicken Spaghetti Squash Dinner - Image 1Pin it
Creamy Tuscan Chicken Spaghetti Squash Dinner - Image 1 | Recipes By Megan

Swapping Ingredients in Tuscan Chicken Spaghetti Squash

Oh, I've played around with this recipe so much! If chicken breast isn't your jam, boneless, skinless chicken thighs are a fantastic swap, they're juicier and super flavorful. For a vegetarian twist, you could skip the chicken and add cannellini beans or roasted chickpeas. Want more veggies? Mushrooms or bell peppers would be amazing sautéed with the onion. I've even tried a dairy-free version using coconut milk and nutritional yeast for the creaminess, and honestly, it was pretty good! Feel free to get creative, the core Tuscan Chicken Spaghetti Squash flavors are so adaptable.

Serving Up Your Delicious Tuscan Chicken Spaghetti Squash

How do I love to serve this? Let me count the ways! This Creamy Tuscan Chicken Spaghetti Squash is already a complete meal, but sometimes I like to go all out. A crusty piece of garlic bread or a warm baguette for soaking up every last drop of that incredible sauce is a must. A simple side salad with a light vinaigrette balances out the richness perfectly. And for a little extra fancy touch? A sprinkle of fresh basil or parsley, maybe a few extra sun-dried tomatoes, and a glass of crisp Pinot Grigio or a light Chianti. Pure bliss!

The Roots of Our Tuscan Chicken Spaghetti Squash Creation

When I think 'Tuscan,' I imagine rolling hills, sunshine, and incredible, fresh ingredients. This dish, while definitely an American home-cook's interpretation, draws inspiration from the vibrant, rustic flavors of Tuscany: sun-dried tomatoes, spinach, garlic, and rich, creamy sauces. It's about celebrating those simple, wholesome ingredients and letting them shine. My personal connection? It reminds me of my first trip to Italy, falling in love with the food. This Tuscan Chicken Spaghetti Squash is my way of bringing a little piece of that Italian warmth right into my kitchen.

And there you have it, friends! My absolute favorite Creamy Tuscan Chicken Spaghetti Squash recipe. It’s a dish that warms the soul, satisfies those cravings, and leaves you feeling good. I promise, once you try it, it’ll be on your regular rotation too. Give it a whirl and let me know in the comments how it turns out for you! Happy cooking!

Creamy Tuscan Chicken Spaghetti Squash Dinner - Image 2Pin it
Creamy Tuscan Chicken Spaghetti Squash Dinner - Image 2 | Recipes By Megan

Your Top Questions about Tuscan Chicken Spaghetti Squash Answered

→ Can I prep spaghetti squash ahead of time?

Absolutely! You can roast and shred your spaghetti squash a day or two in advance. Store the shredded squash in an airtight container in the fridge. This makes weeknight cooking even faster when you're ready to assemble your Tuscan Chicken Spaghetti Squash.

→ My sauce isn't creamy enough, what did I do wrong?

Don't worry, it happens! Sometimes it just needs a little boost. Try adding a bit more grated Parmesan cheese, a tablespoon of cream cheese, or even a splash of heavy cream if you're not counting calories. Keep stirring gently over low heat until it reaches your desired creaminess for the Tuscan Chicken Spaghetti Squash.

→ Can I use chicken thighs instead of breasts?

Yes, for sure! Boneless, skinless chicken thighs are a fantastic substitute. They tend to be juicier and have more flavor. Just make sure to adjust your cooking time slightly, as thighs might take a few minutes longer to cook through than breasts.

→ What if I don't have fresh spinach?

No fresh spinach? No problem! You can totally use frozen spinach. Just be sure to thaw it completely and squeeze out as much excess water as you possibly can before adding it to your sauce. This prevents your Tuscan Chicken Spaghetti Squash from becoming watery.

→ How do I make this dish spicier?

Oh, I love a little kick! To add some heat to your Tuscan Chicken Spaghetti Squash, you can sprinkle in some red pepper flakes when you're sautéing the aromatics. Or, for a milder warmth, a pinch of smoked paprika can add a lovely depth without too much spice.

Creamy Tuscan Chicken Spaghetti Squash Dinner

Enjoy a healthier twist on a classic with this creamy Tuscan chicken spaghetti squash. Flavorful chicken, sun-dried tomatoes, and spinach in a rich sauce.

4.3 out of 5
(68 reviews)
Prep Time
25 Minutes
Cook Time
35 Minutes
Total Time
60 Minutes

Category: Dinner Classics

Difficulty: Intermediate

Cuisine: Italian

Yield: 4 Servings

Dietary: ~

Published: March 30, 2026 at 08:51 AM

Ingredients

→ Golden Spaghetti Strands

01 1 medium spaghetti squash (about 2 1/2 lbs)
02 2 tbsp olive oil
03 1/2 tsp salt
04 1/4 tsp black pepper

→ Seared Tuscan Chicken

05 1 1/2 lbs boneless, skinless chicken breast
06 1 tbsp olive oil
07 1 tsp dried Italian seasoning
08 1/2 tsp salt
09 1/4 tsp black pepper

→ Velvety Tuscan Embrace

10 1/2 yellow onion, diced
11 4 cloves garlic, minced
12 1/2 cup oil-packed sun-dried tomatoes, drained and chopped
13 1/2 cup chicken broth
14 1 1/2 cups heavy cream
15 5 oz fresh spinach
16 1/2 cup grated Parmesan cheese
17 1/4 tsp red pepper flakes (optional)

→ Fresh Finishers

18 1/4 cup fresh basil, chopped (for garnish)

Instructions

Step 01

Preheat oven to 400°F. Halve 1 medium spaghetti squash, scoop out seeds. Drizzle cut sides with 2 tbsp olive oil, 1/2 tsp salt, and 1/4 tsp black pepper. Place cut-side down on a baking sheet. Roast for 35-45 minutes until tender. This forms the base for your Creamy Tuscan Chicken Spaghetti Squash Recipe.

Step 02

While squash roasts, pat dry 1 1/2 lbs boneless, skinless chicken breast. Season with 1 tsp dried Italian seasoning, 1/2 tsp salt, and 1/4 tsp black pepper. Heat 1 tbsp olive oil in a large skillet over medium-high heat. Sear chicken 5-7 minutes per side until golden and cooked through. Remove, let rest, then dice.

Step 03

In the same skillet, add 1/2 yellow onion, diced, and cook until softened, about 3-4 minutes. Add 4 cloves garlic, minced, and 1/2 cup oil-packed sun-dried tomatoes, drained and chopped. Sauté for another 1-2 minutes until fragrant.

Step 04

Pour in 1/2 cup chicken broth and bring to a simmer, scraping up any browned bits. Stir in 1 1/2 cups heavy cream and 1/4 tsp red pepper flakes (optional). Reduce heat to low and simmer gently for 5 minutes, allowing the sauce to thicken slightly for your Creamy Tuscan Chicken Spaghetti Squash Recipe.

Step 05

Stir in 5 oz fresh spinach, cooking until it wilts completely, about 2-3 minutes. Remove the skillet from heat and stir in 1/2 cup grated Parmesan cheese until melted and smooth. Taste and adjust seasonings as needed.

Step 06

Once roasted, use a fork to scrape the 'golden spaghetti strands' from the 1 medium spaghetti squash. Add these strands and the diced chicken to the creamy Tuscan sauce in the skillet. Toss everything gently until well combined.

Step 07

Transfer the Creamy Tuscan Chicken Spaghetti Squash Recipe to serving plates. Garnish generously with 1/4 cup fresh basil, chopped. Serve immediately and enjoy this flavorful, comforting meal.

Notes

  1. For easier squash cutting, microwave the whole squash for 3-5 minutes before halving. It softens the skin significantly.
  2. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop or in the microwave.
  3. Feel free to substitute chicken thighs for breasts for a juicier texture, or add a splash of white wine to the sauce for extra depth.
  4. A light side salad with a vinaigrette dressing would complement the richness of this dish beautifully.

Tools You'll Need

  • Baking sheet
  • Large skillet
  • Cutting board
  • Chef's knife
  • Measuring cups and spoons
  • Tongs

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Chicken

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 865 kcal
  • Total Fat: 51 g
  • Total Carbohydrate: 36 g
  • Protein: 65 g

Reviews & Comments

Required fields are marked *

Creamy Tuscan Chicken Spaghetti Squash Dinner

📌 Save Before You Go!

Don't lose this recipe — save it to Pinterest!

Save on Pinterest
Creamy Tuscan Chicken Spaghetti Squash Dinner

Don't Lose This Recipe!

Save it now — you'll want to make this again!