Chicken Alfredo Spaghetti Squash

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This Chicken Alfredo Spaghetti Squash recipe is the perfect low-carb rendition to the traditional Chicken Alfredo dish! It is every bit as delicious as the original, but lower in calories, fat, sodium and carbs.

I guarantee your family won’t even miss the pasta with this meal.

Spaghetti squash stuffed with chicken, cheese, and alfredo sauce.

COMFORT FOOD FOR THE SOUL

Some days you just need comfort in the form of food. There’s something about a warm bowl of creamy pasta that simply soothes the tired, tattered soul. But if you’re like me and always striving to eat healthier or curb your wild foodie side, then you need comforting, healthy alternatives like this Chicken Alfredo Spaghetti Squash.

This dish brings all the comforts and deliciousness of the traditional Chicken Alfredo recipe, but without all the guilt! You know, that post-meal guilt that doesn’t arise until you come up for air after inhaling?! Not here! Not with this recipe! Spaghetti squash is the perfect alternative to pasta to not only get your kids to eat their vegetables, but also provide a healthy meal for your family while still being a rockstar in the kitchen!

Spaghetti squash stuffed with chicken, cheese, and alfredo sauce.

INGREDIENTS NEEDED FOR CHICKEN ALFREDO SPAGHETTI SQUASH

Full recipe with directions can be found via the printable recipe card below. Simply scroll down! 🙂

  • Spaghetti squash – 1 large squash or 2 small
  • Olive oil
  • Light or regular, unsalted butter
  • Cooked chicken breast
  • Cheeses: cream cheese, parmesan cheese, and mozzarella cheese
  • Cornstarch (or sub with flour, arrow root or sauce thickener of choice)
  • Chicken stock – unsalted
  • Baby spinach
  • Plain greek yogurt
  • Cooked, crumbled bacon (turkey or pork, optional)
  • Seasonings: salt, pepper, basil, oregano, and parsley
  • Minced garlic

Spaghetti squash stuffed with chicken, sauce and cheese.

COOKING TIPS AND SWAPS

  • CHICKEN: chicken breast is used in this recipe, but you’re more than welcome to use whatever cooked chicken or meat that you have on hand. Delicious swaps: cooked ground chicken/turkey/beef,  cooked shrimp, or you can go meatless & stick with the alfredo sauce.
  • SPAGHETTI SQUASH: a great low-carb swap for pasta, but you can easily make the chicken and sauce and serve it with your favorite pasta or cauliflower rice! For pasta, I recommend traditional fettuccine or angel hair.
  • CHICKEN STOCK: whether you use stock or broth, aim for low-sodium or unsalted so that you can control the amount of sodium in the dish. Whichever you do use, season with salt to taste.
  • PARMESAN CHEESE: for maximum flavor and sauce creaminess, I do recommend using freshly grated parmesan cheese.
  • BABY SPINACH: not a fan of spinach? Swap it out for sautéed mushrooms or steamed broccoli.
    Broccoli: steam prior to adding or if using frozen, allow to thaw before adding to sauce to warm.
    Mushrooms: I recommend sautéing them with olive oil over medium-high to high heat before adding to the sauce.

Spaghetti squash stuffed with chicken, cheese, and alfredo sauce.

MORE LOW CARB RECIPES TO TRY

  1. Creamy Buffalo Chicken Spaghetti Squash
  2. Pesto Spinach Cauliflower Alfredo Zoodles with Scallops
  3. Lemon Garlic Butter Scallops with Cauliflower Risotto
  4. Honey Teriyaki Salmon with Cauliflower Rice
  5. Grilled Chicken Cauliflower Alfredo with Zucchini Noodles



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Spaghetti squash stuffed with chicken, cheese, and alfredo sauce.

Chicken Alfredo Spaghetti Squash

4.75 from 8 votes
This Chicken Alfredo Spaghetti Squash recipe is the ultimate comfort food without all of the guilt! Very easy to make, full of flavor, and a recipe you will come back to time and again.
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Course: Main Course
Cuisine: American
Keyword: Chicken Alfredo, Chicken Alfredo Spaghetti Squash, Spaghetti Squash
Prep Time: 10 minutes
Cook Time: 1 hour
Servings: 4 servings
Calories: 418kcal
Author: Samantha Buckner

Ingredients:

Spaghetti Squash:

  • 1 medium spaghetti squash, (approximately 4-5 pounds)
  • 1 tablespoon olive oil

Alfredo Sauce:

  • 2 tablespoons unsalted butter
  • 2 teaspoons cornstarch (mixed with 1 tablespoon water)
  • 1/2 tablespoon minced garlic, (2-3 cloves)
  • 1 cup low-sodium chicken stock
  • 1/4 cup cream cheese, (softened at room temperature)
  • 1/2 cup parmesan cheese, (freshly grated)
  • 1 cup plain greek yogurt
  • 1 teaspoon dried basil
  • 1 teaspoon dried oregano
  • 1 teaspoon dried parsley
  • salt and pepper, (to taste)

Add ins:

  • 2 cups baby spinach, (roughly chopped)
  • 8 ounces cooked chicken breast, (cubed or shredded)

Toppings:

  • 1 cup mozzarella cheese, (freshly grated)
  • 2 tablespoons crumbled cooked bacon

Instructions:

To Cook Spaghetti Squash:

  • Preheat oven to 400 degrees F. Cut the squash in half lengthwise and scoop out the seeds using a large fork or spoon. Discard seeds.
  • Brush entire inside of each half with olive oil and place flesh side down onto a baking sheet or dish. Bake for 45-55 minutes or until the squash is fork tender.
    Time will be dependent on the size of your spaghetti squash. I recommend checking at 40 minutes. The shell should be soft when squeezed lightly.
  • Remove from oven and allow to cool until safe to touch - 10-15 minutes. Flip each squash over on the baking sheet/dish.
    Lower oven temperature to 350 degrees F.

Chicken Alfredo:

  • While the squash is cooling, place a large skillet over medium heat. Add butter and allow to melt. Add garlic and cook for 30 seconds, or until fragrant.
  • Pour in chicken stock and cornstarch mix. Whisk until smooth. Allow it to come to a boil, reduce heat to low and simmer.
  • Add in cream cheese and stir until melted. Add parmesan cheese and stir until sauce is smooth. Add in basil, oregano, and parsley. Stir well.
  • Stir in the Greek yogurt and continuing stirring until the sauce is smooth and creamy.
    Season with salt and pepper, to taste.
  • Add cooked chicken breast to sauce to warm. Stir in spinach and cook until wilted.

Assembly:

  • Using a fork, shred the squash into long spaghetti-like strands, pulling it away from the shell a bit.
  • Evenly distribute the chicken and sauce between the two halves. Top each with 1/2 cup of mozzarella cheese, sprinkle with bacon, and bake for 5-10 minutes, or until the cheese has melted and started to brown.
    If you're a fan of those brown bubbles of burnt cheese, turn the broil on high for 1-2 minutes. Keep an eye on it to prevent it from getting too burnt! Will brown quickly!
  • Remove from oven, garnish with extra parsley and enjoy!

Notes:

 
Spaghetti squash baking time will be dependent on the size/weight. You can use one large (4-5 lb) squash or two small (2-3 lb) squashes.
Depending on the size of your squash and add-ins, you may have more sauce than you do room in the spaghetti boats. Add what you can into each boat and leave the rest in the pan on low to keep warm while the squash bakes. Add remaining sauce to plate when serving.
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NUTRITION:

Nutrition Facts
Chicken Alfredo Spaghetti Squash
Amount Per Serving (1 serving)
Calories 418 Calories from Fat 198
% Daily Value*
Fat 22g34%
Saturated Fat 10g50%
Trans Fat 0g
Polyunsaturated Fat 2g
Monounsaturated Fat 3g
Cholesterol 92mg31%
Sodium 756mg32%
Potassium 720mg21%
Carbohydrates 23g8%
Fiber 4g16%
Sugar 9g10%
Protein 33g66%
Vitamin A 2310IU46%
Vitamin C 10mg12%
Calcium 448mg45%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
Disclaimer:The nutritional information provided on each recipe on With Peanut Butter on Top is given as a courtesy and as approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Nutritional information varies per brand/product. We recommend using an app to calculate full and accurate nutrition based on your ingredients used per recipe. Thank you! 🙂
Spaghetti squash stuffed with chicken, cheese, and alfredo sauce. Spaghetti squash stuffed with chicken, cheese, and alfredo sauce.
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