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Chicken Alfredo Spaghetti Squash

Better Plate RecipesBy Better Plate Recipes
Published Jul 14, 2026
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Chicken Alfredo Spaghetti Squash is a lighter comfort dinner with roasted spaghetti squash, cubed chicken breast, garlic, Greek yogurt, Parmesan, chicken broth, Italian seasoning, parsley, and olive oil. The sauce turns creamy while the squash strands replace pasta in every bite in a cozy bowl.

Chicken Alfredo Spaghetti Squash
Prep Time
10 minutes
Cook Time
45 minutes
Total Time
55 minutes
Servings
4
Difficulty
Medium
Best For
High Protein, Low Carb, Dinner

Why You’ll Love This Recipe

This recipe gives you the cozy feel of chicken Alfredo with a lighter, vegetable-forward base. Roasted spaghetti squash turns into tender strands that catch the creamy Greek yogurt, Parmesan, garlic, and broth sauce. The chicken cooks separately so it can brown and stay juicy before being folded into the sauce. The Alfredo-style sauce is rich enough to feel comforting, but it is not as heavy as a traditional cream sauce. Parsley adds freshness at the end, and the whole dish works well when you want something warm, creamy, and satisfying without regular pasta. It is a smart way to enjoy something creamy and cozy while still getting protein and vegetables in the same bowl with very little extra cleanup.

Chicken Alfredo Spaghetti Squash close up

What Makes This Recipe Work

Roasting the spaghetti squash cut side down helps it steam inside its own shell until tender. Once scraped, the strands act like a lighter base for the Alfredo-style sauce. The chicken cooks separately so it can brown and reach 165 degrees F without depending on the sauce. Greek yogurt should be warmed gently with Parmesan and chicken broth over low heat; too much heat can make it separate or look grainy. Tossing the squash strands into the sauce at the end helps everything coat evenly while keeping the texture soft and creamy. Parsley finishes the dish with color and a little freshness. The best part is that nothing has to work too hard. The main protein carries the meal, the vegetables add color and texture, and the final seasoning makes everything taste connected.

Chicken Alfredo Spaghetti Squash aerial view

Before You Start

Use a sharp knife and a stable cutting board when cutting the spaghetti squash. If it feels too hard to cut, microwave the whole squash for 2 to 3 minutes first to soften the skin slightly. Let the roasted squash cool for a minute before scraping so it is easier to hold. Keep the sauce over low heat once the Greek yogurt goes in. It should warm and loosen, not boil hard. Cut the chicken into similar-size cubes so the pieces cook evenly. Have the yogurt, Parmesan, broth, and Italian seasoning whisked before adding them to the skillet. A little setup makes a big difference here. When everything is trimmed, measured, and close to the stove, you can follow the visual cues instead of rushing through the steps.

Chicken Alfredo Spaghetti Squash preparation

Ingredient Notes & Easy Swaps

  • Spaghetti squash: Choose a large squash that feels heavy for its size. After roasting, the flesh should scrape into soft strands with a fork, almost like a light pasta base.

  • Chicken breast: Cut the chicken into even cubes so the pieces cook at the same speed. Chicken thighs can also work if you want a juicier texture.

  • Olive oil: The oil is divided between roasting the squash and cooking the chicken. Use just enough to coat the squash and help the chicken brown.

  • Garlic: Fresh minced garlic gives the Alfredo-style sauce its best flavor. Stir it briefly so it smells fragrant but does not turn dark or bitter.

  • Greek yogurt: Plain Greek yogurt makes the sauce creamy and tangy without heavy cream. Keep the heat low after adding it, because boiling can make yogurt separate.

  • Parmesan: Parmesan adds salty, savory flavor and helps the sauce taste more like Alfredo. Pecorino Romano can work too, but it is usually saltier.

  • Chicken broth: Broth loosens the yogurt and Parmesan into a smoother sauce. Low sodium broth is best so the sauce does not become too salty.

  • Italian seasoning and parsley: Italian seasoning gives the sauce a simple herb flavor, while fresh parsley makes the finished bowl taste brighter.

Chicken Alfredo Spaghetti Squash

Chicken Alfredo Spaghetti Squash

Author: Better Plate RecipesPrep Time: 10 minutesCook Time: 45 minutesTotal Time: 55 minutesYield: 4Published: Jul 14, 2026

Description

Chicken Alfredo Spaghetti Squash is a lighter comfort dinner with roasted spaghetti squash, cubed chicken breast, garlic, Greek yogurt, Parmesan, chicken broth, Italian seasoning, parsley, and olive oil. The sauce turns creamy while the squash strands replace pasta in every bite in a cozy bowl.

Ingredients

  • 1 large spaghetti squash
  • 1 lb boneless chicken breast, cubed
  • 1 tbsp olive oil
  • 3 garlic cloves, minced
  • 3/4 cup plain Greek yogurt
  • 1/2 cup grated Parmesan
  • 1/4 cup low sodium chicken broth
  • 1/2 tsp Italian seasoning
  • 1/2 tsp sea salt
  • 1/4 tsp cracked pepper
  • 2 tbsp fresh parsley, chopped
Beginner Friendly

Instructions

  1. 1Equipment: a large skillet, a rimmed baking sheet, a small bowl, a whisk, a spoon for scooping the seeds, a fork, a cutting board, a knife, tongs or a spatula, an instant-read thermometer, measuring cups, measuring spoons, and 4 serving bowls.
  2. 2Preheat the oven to 400 degrees F.
  3. 3Cut the spaghetti squash in half lengthwise and scoop out the seeds with a spoon.
  4. 4Rub the cut sides with 1/2 tablespoon olive oil.
  5. 5Place the squash cut side down on a baking sheet.
  6. 6Roast for 35 to 40 minutes, until the skin is easy to pierce with a fork and the flesh pulls into strands.
  7. 7While the squash roasts, season the cubed chicken with 1/2 teaspoon sea salt and 1/4 teaspoon cracked pepper.
  8. 8Heat 1/2 tablespoon olive oil in a large skillet over medium-high heat.
  9. 9Add the chicken in a single layer with about 1 inch of space between the pieces.
  10. 10Cook for 3 to 4 minutes without stirring, until the bottoms are golden. Use tongs or a spatula to turn the chicken pieces so the pale sides touch the hot skillet. Cook for 3 to 4 more minutes, stirring once or twice, until the chicken is golden outside, no pink remains in the center, and the thickest pieces reach 165 degrees F.
  11. 11Lower the heat to medium-low.
  12. 12Add the minced garlic and cook for 30 seconds, stirring constantly, until you can smell it.
  13. 13In a small bowl, whisk 3/4 cup Greek yogurt, 1/2 cup grated Parmesan, 1/4 cup chicken broth, and 1/2 teaspoon Italian seasoning.
  14. 14Pour the sauce into the skillet with the chicken.
  15. 15Stir over low heat for 1 to 2 minutes, until creamy and warm. Do not let the sauce boil.
  16. 16Scrape the roasted squash into strands with a fork.
  17. 17Add the squash strands to the skillet and toss gently until coated.
  18. 18Serve hot with chopped parsley on top.

Tips and Tricks

  1. 1

    Microwave the squash briefly if it is hard to cut. Two or three minutes softens the skin just enough to make slicing safer. Let it cool for a moment before cutting so you can handle it comfortably. It also helps the finished dish taste fresher and more balanced.

  2. 2

    Roast the squash cut side down. This traps steam inside the squash and helps the flesh become tender enough to scrape into strands. It also keeps the surface from drying out before the center softens. This makes the recipe easier to judge as it cooks.

  3. 3

    Keep the yogurt sauce on low heat. Greek yogurt can separate if boiled, especially with Parmesan. Gentle heat warms the sauce and keeps it creamy, which is what makes this lighter Alfredo-style dish work. This keeps the sauce smooth, safe, and balanced.

  4. 4

    Reheat with a splash of broth. Spaghetti squash and yogurt sauce thicken in the fridge, so a little broth helps loosen everything. Warm slowly and stir often to keep the chicken moist and the sauce smooth. This keeps the meat juicy and easier to slice.

Nutrition

Per serving — Calories: 345kcal, Protein: 46g, Carbs: 12g, Fat: 11g, Fiber: 1g, Sugar: 1g, Sodium: 650mg.

Nutrition information is an estimate and may vary based on ingredient brands, product sizes, preparation methods, and substitutions. It is not intended as medical or dietary advice.

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