Name: Basil Chicken Spaghetti Squash Recipe
Prep time: 15 min
Cook time: 1 h 5 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 1 large spaghetti squash (roasted); 2 Tbsp avocado oil (or olive oil); 1/2 red onion (finely chopped); 4 cloves garlic (minced); 1 large crown broccoli (chopped into florets); 1 to 1.5 pounds boneless skinless chicken breasts (chopped); 3 cups baby spinach; 1 cup sun-dried tomatoes (drained); 2 Tbsp dried basil; 1 tsp sea salt (to taste); 2/3 cup feta cheese crumbles

Jump to Recipe· 4.1 from 15 reviews

If you’re craving a meal that feels like a cozy hug on a plate, then this Basil Chicken Spaghetti Squash Recipe is exactly what you need. It’s a vibrant, wholesome dish that combines the light, delicate texture of roasted spaghetti squash with tender chicken, fresh basil, and a pop of sun-dried tomato. It’s hearty yet healthy, perfectly balancing veggies and protein in a way that feels indulgent without any guilt. Whether you’re cooking for your family or meal-prepping for the week ahead, this recipe delivers comfort, flavor, and nutrition all in one irresistible package.

Ingredients You'll Need

A black pan filled with a mix of small white chunks of cooked chicken, bright green broccoli florets, light yellow strands of spaghetti squash, dark red sun-dried tomatoes, and scattered dark green spinach leaves. The ingredients are mixed well, showing different textures from soft chicken, fibrous squash, and leafy greens to slightly wrinkled tomatoes. The pan is placed on a white marbled surface with a mustard yellow fringed cloth under the pan handle. photo taken with an iphone --ar 4:5 --v 7

These ingredients are simple kitchen staples that come together to create layers of flavor, texture, and color in the Basil Chicken Spaghetti Squash Recipe. Each element plays a key role in making this dish both satisfying and delicious.

1 large spaghetti squash: The star of the dish, acting as a healthy, low-carb pasta alternative with a naturally mild flavor.
2 tablespoon avocado oil (or olive oil): Adds a rich, buttery base for sautéing and roasting, enhancing every savory bite.
½ red onion (finely chopped): Provides sweetness and a subtle tang that complements the chicken perfectly.
4 cloves garlic (minced): Brings aromatic depth and a gentle kick to elevate the flavor profile.
1 large crown broccoli (chopped into florets): Adds a fresh crunch and vibrant green color, boosting the veggie content.
1 to 1.5 pounds boneless skinless chicken breasts (chopped): The lean protein base that makes this dish filling and satisfying.
3 cups baby spinach: Adds earthiness, nutrients, and a pop of bright green.
1 cup sun-dried tomatoes (drained): Lends a chewy texture and tangy sweetness that pairs perfectly with basil.
2 tablespoon dried basil: The herb that ties all the ingredients together with its fragrant, slightly peppery essence.
1 teaspoon sea salt (to taste): Enhances every other flavor without overwhelming.
⅔ cup feta cheese crumbles: Adds creamy, salty bursts of flavor and a lovely tangy finish.

How to Make Basil Chicken Spaghetti Squash Recipe

Step 1: Prepare and Roast the Spaghetti Squash

Start by preheating your oven to 400 degrees Fahrenheit. Carefully slice the spaghetti squash lengthwise, then scoop out the seeds and stringy fibers. Drizzle the inside flesh with avocado or olive oil and sprinkle with sea salt to enhance its naturally mild flavor. Place the squash cut-side down on a baking sheet and roast it for 35 to 50 minutes, depending on how tender you prefer the squash. Once roasted, let it cool enough to handle before scraping out the signature noodle-like strands with a fork. This foundational step transforms the squash into the perfect light base for the rest of your dish.

Step 2: Sauté Onion and Garlic

While the squash roasts, heat the avocado oil in a large skillet over medium-high heat. Add the finely chopped red onion and cook it gently until it softens and starts to caramelize, about 5 to 8 minutes. Then add the minced garlic and stir to release its fragrant aroma. This simple sauté builds a savory flavor foundation that will coat the chicken and vegetables beautifully.

Step 3: Cook the Chicken

Push the onions and garlic to the side and add your chopped chicken breasts in a single layer. Season them with sea salt and freshly ground black pepper. Allow the chicken to sear undisturbed for a few minutes so it develops a nice golden color before stirring. Continue cooking and stirring occasionally until the chicken is nearly cooked through, sealing in its juicy tenderness for every bite.

Step 4: Add Broccoli, Sun-Dried Tomatoes, Spinach, and Basil

Now it’s time to introduce a vibrant medley of veggies and herbs. Toss in the broccoli florets, sun-dried tomatoes, spinach, and dried basil. Cover the skillet and let everything cook together just until the broccoli softens to your liking and the spinach wilts. This step brightens the dish with fresh greens and gives your meal delicious depth.

Step 5: Combine with Spaghetti Squash and Feta

Finally, fold in your roasted spaghetti squash strands and sprinkle on the feta cheese crumbles. Stir everything well until combined and the feta starts to soften and mingle with the flavors. Taste and adjust seasoning with salt and black pepper as needed. This final combination is where the true magic of the Basil Chicken Spaghetti Squash Recipe shines—each bite offering a perfect blend of texture and flavor.

How to Serve Basil Chicken Spaghetti Squash Recipe

The image shows a white wooden bowl filled with a colorful mix of food layers. The base layer is light yellow spaghetti-like strands mixed with scattered small green broccoli pieces. On top of this are small cubes of light brown cooked chicken mixed with dark green spinach and red sun-dried tomatoes. Small white cheese chunks are spread over the whole dish, adding texture and contrast. The bowl is placed on a white marbled surface, and a shiny silver fork rests inside the bowl, leaning on the edge. Another similar bowl is partially visible behind it. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To make your dish extra inviting, consider topping it with fresh basil leaves for a fragrant pop or a light drizzle of high-quality extra virgin olive oil. A sprinkle of crushed red pepper flakes adds a gentle heat that contrasts beautifully with the creamy feta and sweet sun-dried tomatoes.

Side Dishes

While the Basil Chicken Spaghetti Squash Recipe is a complete meal on its own, pairing it with a crisp garden salad or some garlic roasted mushrooms complements its fresh flavors. For a heartier dinner, try serving it alongside warm crusty bread to soak up any leftovers from the skillet.

Creative Ways to Present

For special occasions or just for fun, serve this recipe inside the spaghetti squash halves you roasted earlier for a dramatic and rustic presentation. Alternatively, plate it in shallow bowls to make it look like a cozy pasta dish that’s ready to be savored. Garnishing with a crumble of feta or some chili threads elevates the visual appeal instantly.

Make Ahead and Storage

Storing Leftovers

This recipe keeps beautifully in an airtight container in the refrigerator for up to 3 days. The flavors actually deepen as time passes, making leftovers even more delicious. Just be sure to cool the dish completely before storing to keep the textures intact.

Freezing

You can freeze portions of the Basil Chicken Spaghetti Squash Recipe, but keep in mind that the texture of the squash might become a bit softer after thawing. Freeze in individual airtight containers for up to 2 months. Thaw in the refrigerator overnight before reheating for the best result.

Reheating

Reheat leftovers gently in a skillet over low to medium heat, stirring occasionally to warm evenly without drying out the chicken or greens. Alternatively, microwave covered for 1 to 2 minutes, stirring halfway through. Add a splash of water or olive oil if the squash seems dry.

FAQs

Can I use chicken thighs instead of chicken breasts?

Absolutely! Chicken thighs add extra juiciness and a bit more richness. Just adjust the cooking time slightly to ensure they are cooked through since thighs may take a little longer.

Is it possible to make this recipe vegetarian?

Yes, you can substitute the chicken with hearty plant-based proteins like chickpeas or tofu. Keep the cooking method the same for great flavor and texture.

What if I don’t have sun-dried tomatoes?

Fresh cherry tomatoes lightly sautéed until soft make a great substitute. They’ll add a burst of juiciness and mild sweetness instead of the chewy texture of sun-dried tomatoes.

Can I prepare the spaghetti squash ahead of time?

Definitely! You can roast the spaghetti squash a day or two before making the full recipe. Just store the shredded squash in an airtight container in the fridge until you’re ready to cook the rest.

How can I make this dish spicier?

Add crushed red pepper flakes during the cooking process or finish with a drizzle of your favorite hot sauce at the table for a fiery kick that complements the basil and garlic.

Final Thoughts

There’s something truly special about the Basil Chicken Spaghetti Squash Recipe that keeps me coming back for more. It’s fresh, flavorful, and nourishing without ever feeling heavy. Whether you’re looking to impress guests or just want a satisfying weeknight dinner, this recipe is a winner every single time. I hope you enjoy making and sharing it as much as I do!