Chicken Alfredo Spaghetti Squash Boats is comfort food made lighter and healthier. This dinner recipe is big on taste, but low on carbs without sacrificing flavor.

Also try my other spaghetti squash boats recipes: Tex Mex spaghetti squash boats or spaghetti squash breakfast with avocado and egg.

Chicken Alfredo Spaghetti Squash Boats

Spaghetti Squash Chicken Alfredo

Fall marks squash season! I love finding new ways to incorporate squash into recipes like turkey stuffed acorn squash or spaghetti squash casserole.

I have even spiralized them into butternut squash noodles!

But who can resist spaghetti squash boats with cheesy chicken in a creamy Alfredo sauce for a delicious, low carb dinner?!

In this recipe, tender spaghetti squash replaces traditional pasta and pressure cooker pasta.

Heavy cream is substituted for healthier Greek yogurt. But I promise, the taste remains creamy! The sauce is full of garlic and freshly grated Parmesan cheese flavors.

Spaghetti squash chicken alfredo is true fall comfort food made in a healthy way!

Ingredients for Chicken Alfredo Spaghetti Squash Boats

  • Spaghetti squash: The recipe calls for 1 medium spaghetti squash. You can also use 2 smaller spaghetti squash.
  • Chicken: I use shredded chicken breast. You can also use store bought cooked chicken (although it’s very high in sodium and usually preservatives), or grilled or poached chicken.
  • Alfredo sauce: Greek yogurt, parmesan cheese, chicken stock, cornstarch, garlic, salt and pepper.
  • Cheese: Mozzarella cheese for the topping.

How to Make Chicken Alfredo Spaghetti Squash Boats

There is a full recipe card below. 

  • Cook and prep spaghetti squash: Cut spaghetti squash in half lengthwise and scoop out the seeds. Place cut side down on baking sheet and bake for 30 minutes. Remove from the oven, cool and then separate strands with a fork. Set aside.
  • Make alfredo sauce: First, saute garlic in a large non-stick skillet until fragrant. Then add chicken stock, cornstarch, salt and pepper. Bring to a boil and simmer until the sauce has thickened. Once removed from the heat, add parmesan cheese and greek yogurt. Stir well.
  • Add chicken to sauce: Stir in the pre-cooked shredded chicken into the sauce, stirring well. shredded chicken in alfredo sauce in deep skillet; spaghetti squash filled with alfredo sauce
  • Combine: Scoop chicken alfredo sauce on top of each spaghetti squash shell. Use a fork to combine the sauce and squash strands.
  • Add topping: Just sprinkle the top of each shell with 2 tbsp of shredded mozzarella cheese.
  • Bake: For 10-12 minutes at 375 degrees F. Then, broil on High for 5 minutes. Serve hot.

How to Store and Reheat

Store: Leftovers can be placed in an airtight container for 1-2 days.

Freeze: Spaghetti squash does NOT freeze well.

Reheat: Reheat in a microwave or in the oven at 375 F for 15 minutes.

More Healthy Chicken Pasta Recipes

Chicken Alfredo Spaghetti Squash Boats
Chicken Alfredo Spaghetti Squash Boats

Chicken Alfredo Spaghetti Squash Boats

Chicken Alfredo Spaghetti Squash Boats is comfort food made lighter and healthier. This dinner recipe is big on taste, but low on carbs without sacrificing flavor.
4.95 from 19 votes
Servings 2 servings
Calories 672
Prep Time 10 minutes
Cook Time 25 minutes

Ingredients 
 

  • 1 medium spaghetti squash*
  • 2 large garlic cloves
  • 1 tbsp olive oil extra virgin
  • 3/4 cup chicken stock low sodium
  • 2 tsp cornstarch
  • 1/2 tsp salt
  • Ground black pepper to taste
  • 1/2 cup 2 oz Parmesan cheese, grated
  • 3/4 cup plain Greek yogurt
  • 2 cups 6 oz cooked chicken breast, shredded
  • 1/4 cup Mozzarella cheese shredded

Instructions 

  • Cook squash: Preheat oven to 400 F degrees F. Cut spaghetti squash in half lengthwise and scoop the seeds out.
  • Place cut side down on a baking sheet lined with parchment paper and bake for 30 minutes.
  • Remove from the oven and let cool until safe to the touch, about 15 minutes.
  • Make sauce: In the meanwhile, preheat large skillet on medium heat and add olive oil. Add garlic and saute for a minute or two or until fragrant, stirring frequently.
  • Add chicken stock, cornstarch, salt, pepper and whisk until smooth. Bring to a boil, reduce heat to low and simmer for a few minutes until sauce has thickened a bit.
  • Remove from heat, add Parmesan cheese and stir until smooth and cheese has melted.
  • Add Greek yogurt and stir again until smooth. Add chicken and stir to combine. Set aside.
  • Assemble and bake boats: Reduce oven temperature to 375 degrees F. Using a fork, separate spaghetti squash into strands leaving them inside the shells.
  • Scoop chicken alfredo filling on top of each shell and gently move around with a fork to make the sauce settle deeper into the spaghetti squash.
  • Top each shell with 2 tbsp mozzarella cheese, place in a baking dish and bake for 10 – 12 minutes and then broil on High for 5 more minutes.
  • Stir the squash with a sauce a bit before serving and serve hot.

Notes

  • Store: Refrigerate covered for up to 1 – 2 days. Do not freeze.
*I recommend using 2 small spaghetti squash (cut nutrition info in half, if doing so). A half of a medium spaghetti squash makes 2 meals for me.  So, if you are serving 4 people, get small spaghetti squash. If it’s only you and a partner, save the unfinished shell for later. That’s what we did since our kids do not eat spaghetti squash.

Nutrition

Serving: 1shell | Calories: 672kcal | Carbohydrates: 41g | Protein: 59g | Fat: 31g | Saturated Fat: 11g | Cholesterol: 143mg | Sodium: 1274mg | Fiber: 7g | Sugar: 17g
Course: Dinner
Cuisine: North American
Author: Olena Osipov
Did you make this recipe?Mention @ifoodreal or tag #ifoodreal!

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About Olena

Welcome! I grew up in Ukraine watching my grandma cook with simple ingredients. I have spent the last 11 years making it my mission to help you cook quick and easy meals for your family!

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Comments

  1. When you say grated Parmesan cheese… Are you meaning the shakeable kind like for pizza topping, or shredded kind? Or does it make a big difference?

  2. 4 stars
    5 starts for flavor, 3 for appearance = 4 stars total. I don’t know what I did wrong, but my dish was very watery. I used canned and drained chicken breasts, which I finely shredded. (Maybe the canned chicken is the reason for the runny texture.) I’ll try it again and add a tablespoon of cornstarch and see if that makes a difference in the texture. However, the FLAVOR was shockingly rich and delicious! I admit, I was hesitant about the Greek yogurt becoming a flavorful sauce; so, I’m sorry I doubted you! 🙂 I’ll definitely try this again! I’m looking forward to leftovers for lunch!

    1. I’m so glad you enjoyed it! Thank you for the wonderful review! I think you might have overcooked your squash though.

  3. 5 stars
    This was delicious! I was very happy that it satisfied the desire for a creamy alfredo sauce without any butter or heavy cream! So good!

  4. 5 stars
    Delicious! The yogurt gives the sauce that extra little tang that really puts it over the top (in my humble opinion)!

  5. 5 stars
    This is sooo good! Hubby had no idea it was yogurt based! Winner! Sent to my bf and she loves also! Never rated a recipe before either!

  6. 5 stars
    I just sent this recipe to my son because it’s easy and OMG so delicious …. thank you, thank you, thank you ?
    PS…. this is actually the first comment I have ever left ??

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