Spaghetti Squash Alfredo with Chicken Recipe
Introduction
Spaghetti Squash Alfredo is a delicious, low-carb alternative to traditional pasta dishes. This recipe combines tender roasted spaghetti squash with creamy homemade Alfredo sauce and savory baked chicken for a comforting and wholesome meal.

Ingredients
- 1 medium spaghetti squash (~4 to 6 pounds)
- 2 tbsp fresh parsley (chopped)
- Sea salt (to taste)
- 1 1/2 lb boneless skinless chicken breasts
- 2 tsp unsalted butter
- 2 tsp Italian seasoning
- 1 tsp garlic powder
- 1/2 tbsp sea salt
- 1/4 tsp black pepper
- 1 tbsp unsalted butter
- 6 cloves garlic (minced)
- 1 1/2 cups heavy cream
- 1/2 cup grated parmesan cheese
- 1/4 tsp sea salt (to taste)
- 1/4 tsp black pepper (optional, to taste)
- 1/4 tsp nutmeg (optional, to taste)
Instructions
- Step 1: Preheat the oven to 425°F (218°C). Line a baking sheet with foil or parchment paper.
- Step 2: Pierce the spaghetti squash all over with a sharp paring knife. Place it on the baking sheet and roast for 30-45 minutes, flipping halfway through, until a knife inserted into the squash goes in with slight resistance.
- Step 3: Remove the squash from the oven and allow it to cool. Then increase the oven temperature to 450°F (232°C) to prepare for cooking the chicken.
- Step 4: Once cool enough to handle, cut the squash in half and discard the seeds. Use a fork to scrape out the strands and season with sea salt to taste.
- Step 5: Place the chicken breasts in a baking dish without overlapping. Brush both sides with melted butter and sprinkle with Italian seasoning, garlic powder, sea salt, paprika, and black pepper.
- Step 6: Bake the chicken for 18-22 minutes, or until the internal temperature reaches 160-165°F (71-74°C). Remove from the oven around 160-163°F as the temperature will rise slightly while resting.
- Step 7: Cover the chicken with foil and let rest for 5 minutes, then cut into bite-sized pieces.
- Step 8: While the chicken cooks, make the Alfredo sauce. In a large saucepan over medium heat, melt 1 tbsp unsalted butter. Add the minced garlic and sauté for about 1 minute until fragrant.
- Step 9: Pour in the heavy cream and bring to a gentle simmer. Cook for about 5 minutes, stirring often until the sauce reduces by about one-third.
- Step 10: Lower the heat and gradually whisk in the grated parmesan until smooth. Stir in nutmeg, sea salt, and black pepper to taste. Thin with additional cream if the sauce is too thick.
- Step 11: In a large bowl, combine the spaghetti squash strands and Alfredo sauce. Toss to coat evenly. Adjust seasoning if needed.
- Step 12: Add the sliced chicken to the squash and sauce, tossing gently to combine.
- Step 13: Garnish with chopped fresh parsley before serving.
Tips & Variations
- For extra flavor, roast the spaghetti squash with a drizzle of olive oil and garlic powder before scooping out.
- Use half-and-half instead of heavy cream for a lighter Alfredo sauce.
- Add sautéed mushrooms or steamed broccoli for added vegetables and texture.
- Substitute grilled shrimp for the chicken to change up the protein.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in a saucepan over low heat or in the microwave, stirring occasionally to maintain the creamy texture of the Alfredo sauce.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this recipe vegetarian?
Yes, you can omit the chicken and add extra vegetables like mushrooms, zucchini, or spinach to keep the dish hearty and satisfying.
How do I know when the spaghetti squash is fully cooked?
The squash is done when a knife inserted goes in easily with only slight resistance, and the strands can be easily scraped out with a fork.
PrintSpaghetti Squash Alfredo with Chicken Recipe
This Spaghetti Squash Alfredo recipe features tender roasted spaghetti squash combined with juicy baked chicken breasts and a creamy, rich homemade Alfredo sauce. It’s a comforting, low-carb alternative to traditional pasta Alfredo, loaded with flavor from garlic, parmesan, and Italian seasonings, perfect for a satisfying dinner.
- Prep Time: 15 minutes
- Cook Time: 50 minutes
- Total Time: 1 hour 5 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: Italian-American
- Diet: Low Fat
Ingredients
Spaghetti Squash
- 1 medium spaghetti squash (~4 to 6 pounds)
- Sea salt, to taste
- 2 tbsp fresh parsley, chopped
Chicken
- 1 1/2 lb boneless skinless chicken breasts
- 2 tsp unsalted butter (melted, for brushing)
- 2 tsp Italian seasoning
- 1 tsp garlic powder
- 1/2 tbsp sea salt
- 1/4 tsp black pepper
- 1/4 tsp paprika
Alfredo Sauce
- 1 tbsp unsalted butter
- 6 cloves garlic, minced
- 1 1/2 cups heavy cream
- 1/2 cup grated parmesan cheese
- 1/4 tsp sea salt, to taste
- 1/4 tsp black pepper, optional and to taste
- 1/4 tsp nutmeg, optional and to taste
Instructions
- Prepare the Squash: Preheat your oven to 425°F (218°C) and line a baking sheet with foil or parchment paper. Pierce the spaghetti squash all over with a sharp paring knife to allow steam to escape, then place it on the baking sheet.
- Roast the Squash: Roast the squash for 30-45 minutes, flipping halfway through, until a knife inserted into the flesh meets just a little resistance. Once done, remove from oven and set aside to cool.
- Preheat for Chicken: After the squash is out, increase the oven temperature to 450°F (232°C) to prepare for baking the chicken.
- Shred the Squash: When the squash is cool enough to handle, cut it in half lengthwise, remove and discard the seeds, then use a fork to scrape out the strands. Season with salt to taste and set aside.
- Prepare Chicken: Place chicken breasts in a baking dish so they fit with minimal touching. Brush both sides with melted butter, then sprinkle evenly with Italian seasoning, garlic powder, sea salt, paprika, and black pepper.
- Bake Chicken: Bake the chicken for 18-22 minutes until the internal temperature reaches 160-165°F (71-74°C). Remove from oven at about 160-163°F as it will continue to cook while resting.
- Rest and Chop Chicken: Cover the chicken with foil and let rest for 5 minutes. Then, cut into bite-sized pieces.
- Make Alfredo Sauce: While the chicken bakes, melt the butter in a large saucepan over medium heat. Add minced garlic and sauté for about 1 minute until fragrant.
- Simmer Cream: Pour in the heavy cream and bring to a gentle simmer. Cook for approximately 5 minutes, stirring often, until the cream reduces by about one-third.
- Add Cheese and Season: Lower the heat and whisk in the parmesan cheese gradually until smooth. Stir in nutmeg, sea salt, and black pepper to taste. If the sauce is too thick, thin with more cream as needed.
- Combine Spaghetti Squash and Sauce: In a large bowl, toss the spaghetti squash strands with the Alfredo sauce until well coated. Adjust seasoning with salt and pepper if necessary.
- Add Chicken and Garnish: Add the chopped chicken to the bowl and toss again to combine everything nicely. Garnish with chopped fresh parsley before serving.
Notes
- You can adjust the seasoning according to your taste preferences, especially salt, pepper, and nutmeg in the sauce.
- Use a fork to fluff the spaghetti squash strands carefully so they resemble spaghetti noodles for the best texture.
- Letting the chicken rest after baking ensures juicier pieces and prevents dryness.
- If you prefer a lighter sauce, substitute half-and-half for heavy cream, but the sauce may be less rich.
- This dish pairs well with a fresh green salad or steamed vegetables for a balanced meal.
Keywords: spaghetti squash alfredo, low-carb alfredo, baked chicken alfredo, healthy alfredo recipe, roasted spaghetti squash

