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Chicken Spaghetti Casserole topped with cheese and herbs, ready to serve.

Chicken Spaghetti Casserole

A warm and creamy casserole made with cooked spaghetti, shredded chicken, and a creamy sauce, perfect for weeknights and potlucks.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Casserole, Main Course
Cuisine American
Servings 6 servings
Calories 400 kcal

Ingredients
  

Main Ingredients

  • 2 cups cooked spaghetti Use spaghetti cooked just until tender.
  • 2 cups shredded cooked chicken Shred leftover roast chicken or use canned chicken.
  • 1 cup grated cheese (cheddar or mozzarella) You can substitute with different cheeses.
  • 1 can cream of mushroom soup
  • 1 cup chicken broth Add more if casserole looks dry before baking.
  • 1/2 cup diced onion
  • 1/2 cup diced bell pepper
  • 1 teaspoon garlic powder
  • to taste Salt and pepper
  • 1 cup breadcrumbs (optional for topping) Add for a crunchy texture.

Instructions
 

Preparation

  • Preheat the oven to 350°F (175°C).
  • In a large mixing bowl, combine cooked spaghetti, shredded chicken, grated cheese, cream of mushroom soup, chicken broth, diced onion, diced bell pepper, garlic powder, salt, and pepper.
  • Mix until well combined.
  • Transfer the mixture into a greased casserole dish.
  • If using, sprinkle breadcrumbs on top for added crunch.
  • Bake in the preheated oven for 25-30 minutes or until heated through and topping is golden.
  • Let cool for a few minutes before serving.

Notes

Serve hot. Pairs well with a simple green salad or steamed vegetables. Top individual servings with extra cheese or fresh parsley if desired. Store leftovers in the refrigerator for up to 3 days or freeze for up to 2 months.
Keyword Chicken Casserole, Comfort Food, Easy Dinner, Family Meal, Spaghetti Casserole