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Home » Healthy Recipes » Spaghetti Squash with Chicken Alfredo

Spaghetti Squash with Chicken Alfredo

Last Updated October 23, 2022. Published October 23, 2022 By Davinah Cenou Montezuma

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pinterest image for chicken alfredo stuffed spaghetti squash

This post may contain affiliate links to products I use and highly recommend. You can read my full disclosure .

If you like my keto chicken Alfredo bake, you’ll definitely love this spaghetti squash with chicken Alfredo recipe. Bursting with Italian flavors, this dish features my DIY keto Alfredo sauce, and it’s perfect for a simple low-carb or keto meal. Learn how to make hearty chicken Alfredo with spaghetti squash using a handful of basic ingredients.

wooden fork with some Spaghetti Squash Chicken Alfredo on it

Why Make This?

  • Easy and Quick: Rich and tasty, this dish is easy to make and doesn’t require much prep and cooking time. The process simply involves mixing all the ingredients and cooking in the oven or pan. 
  • Flavorful and Keto-friendly: The original chicken Alfredo is delicious but loaded with carbs. This baked stuffed spaghetti squash with chicken Alfredo will satisfy your cravings for the classic Italian dish without the extra carbs.

Ingredients Needed

Chicken Alfredo

  • Chicken breasts: I patted dry and cut into bite-sized pieces.
  • Italian seasoning
  • Garlic powder
  • Natural Ancient sea salt
  • Black pepper
  • Coconut oil or other cooking fat: this helps to brown the chicken
  • Keto Alfredo sauce: this 15-minute recipe is homemade and uses about 5 ingredients. You can use the recipe, but if you are in a pinch, you can pick up your favorite Alfredo sauce from the store.
  • Mozzarella cheese: Shredded and low-moisture

Spaghetti Squash

  • Spaghetti squash: Cut in half lengthwise
  • Olive oil: Divided evenly between two halves
  • Sea salt: Divided evenly between two halves
  • Braggs sprinkle seasoning: Divided evenly between two halves
chicken breasts, olive oil, sea salt, black pepper, keto alfredo sauce, garlic powder, spaghetti squash, braggs sprinke seasoning, italian seasoning, garlic powder, mozzarella cheese on separate bowls

How To Make Spaghetti Squash with Chicken Alfredo

  1. Roast the Spaghetti Squash: I bake my squash in a preheated oven until the flesh of the squash can be easily pulled back with a fork.
  2. Season and Sear the Chicken: I toss the chicken breasts in the spices and cook them in olive oil (or another neutral cooking fat) until browned.
  3. Finish the chicken Alfredo: Add the Alfredo sauce to the pan with the chicken and heat it through
  4. Stuff the Spaghetti Squash: Use a ladle to add the chicken Alfredo to the center of the squash. Top with mozzarella cheese and broil.
steps to make Spaghetti Squash Chicken Alfredo

Recipe Tips & FAQs

  • You can use air-fried squash: This air fryer spaghetti squash is as good as the oven-baked option and takes less time to cook.
  • Use a sharp knife or microwave the squash: Cutting the squash length-wise requires a sharp knife. You can also microwave the squash for a few minutes to soften it if your spaghetti squash is too hard to cut.
  • Mix the spices in a bowl: Mixing all the spices before applying them to the chicken helps in even distribution for uniform flavor.
  • Broil the squash and chicken combo after adding the cheese: Broiling the spaghetti squash boat with chicken Alfredo melts the cheese and allows some of it to brown. 
How do you keep spaghetti squash from getting soggy?

Let the squash sit in salt for about 20 minutes before cooking, and avoid overcooking it. I personally don’t do this, but it is a helpful tip if you are concerned about your spaghetti squash being soggy.

How do you cut spaghetti squash before cooking?

Cut it longitudinally into half and remove the seeds. You can use a sharp knife or you can sit the entire squash in the microwave to soften it for a few minutes if it is too hard to cut.

What does spaghetti squash go well with?

Spaghetti squash goes well with most meat proteins, including chicken, shrimp, salmon, and steak. Besides this stuffed spaghetti squash with chicken Alfredo, you can also make spaghetti squash with shrimp scampi.

More Stuffed Spaghetti Squash Recipes

  • Spaghetti Squash with Shrimp Scampi

If you try this recipe, please stop back and leave it a star rating and/or a review in the comments. Stay connected & share photos of your creations with me & others on Instagram, Facebook, and Pinterest! 

chicken alfredo stuffed spaghetti squash on a plate

Stuffed Spaghetti Squash Chicken Alfredo

Make Stuffed Spaghetti Squash with Chicken Alfredo using this easy low-carb dinner recipe. Incudes homemade Keto Alfredo sauce or jarred sauce and simply spiced chicken breasts.
Prep: 5 mins
Cook: 30 mins
Ready in: 35 mins
Cuisine: American
Course: Dinner, Main Course
Servings: 4
Calories: 559kcal
Author: Davinah
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Use DRDAVINAHS at checkout to save on some equipment & ingredients!

Ingredients

Chicken Alfredo

  • 1 lb Chicken Breasts, 2-3 large chicken breasts, patted dry, cut into bite-sized pieces
  • 1 tbsp Italian Seasoning
  • 2 tsp Garlic Powder
  • 1/4 tsp Natural Ancient Sea Salt, or more to taste, use DRDAVINAHS to save!
  • 1/2 tsp Black Pepper
  • 2 tbsp Olive Oil, for searing the chicken breast
  • 1 ½ cups Keto Alfredo Sauce, click for my homemade recipe
  • 1 cup shredded mozzarella cheese

Roasted Spaghetti Squash

  • 1 Spaghetti squash, cut in half lengthwise. 
  • 1 tbsp Olive oil, divided evenly between the two halves
  • 1/2 tsp Natural Ancient Sea Salt, divided evenly between the two halves
  • 1 tsp 24 Herbs Sprinkle Seasoning (Salt-free), divided evenly between the two halves

Instructions

Roast the Spaghetti Squash

  • Preheat the oven to 425 degrees.
  • Cut the squash in half lengthwise. Remove and discard the seeds.
  • Place the squash on a baking sheet face up.
  • Drizzle oil, spices and salt. You can use a brush to spread it evenly, but that’s not needed.
  • Bake for 25-30 minutes or until the flesh can be pulled away easily with a fork.
  • Allow to cool for 5-10 minutes (enough time to be handled) and use a fork scrape off the flesh.

For the Chicken

  • Mix all of the spices (Italian seasoning, salt, pepper, and garlic powder) in a small bowl.
  • Add the chicken to a large bowl and pour on all of the spices. Toss the chicken to evenly.
  • Heat olive oil in a cast-iron skillet or frying pan to medium heat.
  • Cook the chicken breast for 4-5 minutes per side, or until the chicken breasts reach 160 degrees (they'll continue to cook to 165 degrees as they rest).
  • Add the Alfredo sauce. Stir to incorporate.
  • Remove from the heat.

For the Spaghetti Squash Chicken Alfredo

  • Use a ladle to add the the chicken Alfredo to the center of the squash.
  • Top with the mozzarella cheese
  • Broil for 3-5 minutes to melt the cheese and allow some of the cheese to brown.

Recipe Notes

Spaghetti Squash Nutrition: majority of the carbs from this dish come from the spaghetti squash. There are about 8g net carbs per cup of cooked spaghetti squash. Depending on the size of your squash, you can usually get 2-4 cooked cups. 
  • You can use air-fried squash: This air fryer spaghetti squash is as good as the oven-baked option and takes less time to cook.
  • Use a sharp knife or microwave the squash: Cutting the squash length-wise requires a sharp knife. You can also microwave the squash for a few minutes to soften it if your spaghetti squash is too hard to cut.
  • Mix the spices in a bowl: Mixing all the spices before applying them to the chicken helps in even distribution for uniform flavor.
  • Broil the squash and chicken combo after adding the cheese: Broiling the spaghetti squash boat with chicken Alfredo melts the cheese and allows some of it to brown.

Nutrition Details

Calories: 559kcal | Carbohydrates: 22g | Protein: 35g | Fat: 36g | Saturated Fat: 14g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 14g | Trans Fat: 0.01g | Cholesterol: 156mg | Sodium: 1411mg | Potassium: 745mg | Fiber: 5g | Sugar: 9g | Vitamin A: 544IU | Vitamin C: 6mg | Calcium: 233mg | Iron: 2mg

The nutrition facts come from entering the recipe ingredients into Spoonacular API, a database of food ingredients. They may vary for any recipe based on the exact product used. The keto sweeteners I use have 0g net carbs & are not included because sugar alcohols do not impact most people. This is provided as a courtesy, but you can do your own calculations if you wish!

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Filed Under: Chicken Breast Recipes, Chicken Recipes, Clean Eating Recipes, Healthy Recipes, Keto Dinner Recipes, Keto Recipes, Ninja Foodi Recipes

close up photo of Davinah - the blogger behind Dr. Davinah\'s Eats welcome text that reads, \"I\'m Davinah\" I'm an educator & hardcore foodie who realized eating "all the things" couldn’t last forever. After getting my PhD in Education, I decided to make eating healthier my next big goal. Here, you'll find my collection of keto, low-carb and whole food comfort food recipes. Read More

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