Check out this delicious keto recipe for our Chicken and Spaghetti Squash casserole.

This spaghetti squash and chicken recipe is healthy and filling, and it’s also the perfect low carb option when time is short and tummies are growling! Bake up this tasty casserole and enjoy dinners and lunches all week long without ruining your waistline!

taking a fork full out of Low Carb Chicken Spaghetti (Squash)

Chicken and Spaghetti Squash

© Easy Low Carb.com

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Why We Love This Recipe

Ditch the starchy pasta and switch over to spaghetti squash for its fiber-packed, low calorie perfection! Spaghetti squash is a super healthy winter veggie that is so versatile! Served hot or cold, in a soup, stew, or in a casserole like this one, spaghetti squash is a low carb dieter’s dream.

ingredients to make Low Carb Chicken Spaghetti (Squash)

Ingredients and Variations

Super rich and cheesy, this spaghetti squash and chicken recipe will be on your regular menu rotation all year long!

CHEESE Three different kinds of cheese make this low carb dinner a decadent delight! Short on time?  Add a jar of pre-made Alfredo sauce in place of the cream cheese and cheddar cheese. Don’t forget to garnish with Parmesan!

VEGGIES some colorful bell peppers and tomatoes are mixed into this creamy casserole. In keeping with the low carb spirit of the recipe, we like to mix it up by adding mushrooms or zucchini. Even eggplant or cubes of butternut squash will add a different flavor profile.

MEAT Feel free to use up leftover chicken, turkey, or ground sausage too! Even some bacon bits or homemade bacon crumbles can be used in the main recipe or as a garnish!

process of adding ingredients to pan to make Low Carb Chicken Spaghetti (Squash)

How to Make Chicken and Spaghetti Squash

Delicious creamy keto sauce on top of roasted spaghetti squash? Who needs pasta with a recipe this good! Here’s a basic overview of the steps involved in preparation.

  1. Prepare spaghetti squash according to recipe instructions at the bottom of post.
  2. Sauté veggies. Add cream cheese and seasonings. Add broth and cream. Simmer until thick and bubbly.
  3. Remove from heat and stir in cheddar and Parmesan.
  4. Place all ingredients in casserole, top with remaining cheese, and bake.

What to Serve with Chicken and Spaghetti Squash

Try a couple of these tangy salads to go with chicken and spaghetti squash casserole! Low Carb Keto Caesar Salad, Cherry Tomato Salad recipe and a side of Roasted Green Beans.

Recipe Tips & Tricks

For a smooth and creamy sauce, start with room temperature cream cheese and whisk it carefully with the broth and cream a little bit at a time.

Low Carb Chicken Spaghetti (Squash) cooked in a casserole dish

Leftovers

Keep leftovers in a sealed container in the refrigerator and they’ll keep about 3 days. Freeze chicken and spaghetti squash casserole in zippered bags labeled with the date on the outside. It will keep frozen about 6 months.

Other Easy Casseroles To Try!

taking a fork full out of Low Carb Chicken Spaghetti (Squash)
5 from 11 votes↑ Click stars to rate now!
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Chicken and Spaghetti Squash

This spaghetti squash and chicken recipe comes together easily in under and hour!
Prep Time 35 minutes
Cook Time 25 minutes
Total Time 1 hour
Servings 6 servings
Author Holly

Ingredients  

  • 1 large spaghetti squash
  • 2 cups chicken shredded
  • 1 tablespoon butter
  • 1 onion chopped
  • 1 clove garlic minced
  • ½ cup bell pepper chopped red or green
  • 1 teaspoon Italian seasoning
  • 4 oz cream cheese
  • cup chicken broth
  • ½ cup heavy cream
  • 14 ounces diced tomatoes drained
  • salt and pepper
  • ½ cup parmesan cheese shredded
  • 2 cups sharp cheddar cheese divided

Instructions 

  • Preheat oven to 375°F.
  • Slice spaghetti squash into 1" thick rings. Scrape out seeds and bake 35-40 minutes or until tender. Scrape with a fork to create strands.
  • Cook onion, garlic and bell pepper in butter until tender. Add cream cheese and Italian seasoning, then cook until melted. Stir in broth and cream slowly until smooth. Simmer until thick and bubbly.
  • Remove from heat, add parmesan cheese and 1 cup cheddar. Mix until smooth and season with season and pepper to taste.
  • Combine spaghetti squash, chicken, cream sauce and canned tomatoes, mix well. Spread in a greased 3qt baking dish.
  • Top with remaining cheddar cheese and bake 25-30 minutes or until hot and bubbly.
5 from 11 votes↑ Click stars to rate now!
Or to leave a comment, click here!

Nutrition Information

Calories: 409kcal | Carbohydrates: 19g | Protein: 16g | Fat: 31g | Saturated Fat: 19g | Cholesterol: 98mg | Sodium: 623mg | Potassium: 447mg | Fiber: 4g | Sugar: 8g | Vitamin A: 1705IU | Vitamin C: 28mg | Calcium: 469mg | Iron: 2mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Main Course
Cuisine American

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spaghetti squash and chicken served in a white casserole dish, with a fork full of the casserole being pulled up, with a title

baked spaghetti squash and chicken in a casserole dish with writing
baked spaghetti squash and chicken in a casserole dish, and a pan filled with veggies and cream cheese squares under the title

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About the author

At Easy Low Carb® we believe that every meal should be full of big bold flavor! From amazing main dishes and simple sides to the best party snacks, reducing carbs doesn’t mean giving up your favorites!
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