Go Back
+ servings

Creamy Chicken Spaghetti

An easy weeknight dinner recipe for creamy spaghetti with chicken. It can be prepped ahead of time and made into a freezer meal!
Prep Time10 mins
Cook Time50 mins
Total Time1 hr
Course: Main Course
Cuisine: American
Keyword: chicken, spaghetti, freezer meal, dinner, main dish
Servings: 6 servings
Calories: 596kcal


  • 8 ounces spaghetti cooked to al dente
  • 2 tbsp olive oil
  • 1 white onion diced
  • 1/2 red bell pepper diced
  • 1/2 green bell pepper diced
  • 2 cloves garlic minced
  • 2 tsp Italian seasoning
  • 3 tbsp butter
  • 1/4 cup flour
  • 1 cup chicken broth
  • 1 cup half and half
  • 14 ounce canned Italian diced tomatoes
  • 1 cup Parmesan cheese, shredded or grated
  • 2 cups shredded rotisserie chicken
  • 4 cups chopped baby spinach
  • 1 1/2 cups cheddar cheese, shredded


  • Preheat oven to 375 degrees F.
  • Grease 9" baking dish with cooking spray.
  • In a large skillet or pot, add the olive oil over medium-high heat.
  • Add the onion, red bell pepper, and green bell pepper, and cook until softened, about 5-7 minutes.
  • Add the garlic and Italian seasoning, and cook one more minute.
  • Add the butter and cook until it has melted.
  • Add the flour and stir well to combine. Continue to cook for 1 minute.
  • Slowly add the chicken broth, followed by the half and half, stirring continuously to create a creamy sauce.
  • Stir in the diced tomatoes, Parmesan, and 1/2 cup Cheddar cheese, and stir to combine.
  • Stir in the shredded chicken and spinach, and stir until spinach has wilted.
  • Lastly, stir in the al dente spaghetti to combine.
  • Transfer mixture to prepared baking dish and top with remaining Cheddar cheese.
  • At this point you can cover with plastic wrap and freeze, refrigerate until ready to bake, or bake immediately.
  • If baking immediately, place in oven and bake for 20-25 minutes, until cheese is melted and bubbling.
  • If baking from refrigerator, bake for 40-45 minutes, until cheese is melted and bubbling.
  • If baking from the freezer, bake 45 minutes covered with foil, and then an additional 20-30 minutes with foil removed, until cheese is melted and bubbling.
  • Serve and enjoy!


Sodium: 922mg | Calcium: 505mg | Vitamin C: 32mg | Vitamin A: 3253IU | Sugar: 4g | Fiber: 3g | Potassium: 539mg | Cholesterol: 116mg | Calories: 596kcal | Saturated Fat: 17g | Fat: 32g | Protein: 35g | Carbohydrates: 42g | Iron: 3mg