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Spaghetti Chicken Casserole

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This creamy, cheesy Spaghetti Chicken Casserole is a comforting and satisfying dish that’s perfect for family dinners, potlucks, or make-ahead meals. Combining shredded chicken, tender pasta, colorful bell peppers, and a rich, savory sauce, it’s the ultimate comfort food that will please even the pickiest eaters. Easy to make and packed with flavor, this casserole is sure to become a new favorite in your dinner rotation.

  • Author: Chef Sarah
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 55 minutes
  • Yield: 8 servings
  • Category: dinner
  • Method: Baking
  • Cuisine: American

Ingredients

3 cups cooked chicken breast, shredded

12 oz spaghetti, cooked and drained

1 can (10.5 oz) cream of mushroom soup

1 can (10.5 oz) cream of chicken soup

1 can (10 oz) diced tomatoes with green chilies, drained

1 cup chopped green bell pepper

1 cup chopped red bell pepper

1/2 cup chopped onion

2 cups shredded cheddar cheese, divided

1/2 cup sour cream

1 tsp garlic powder

1 tsp black pepper

1/2 tsp salt

1/2 tsp paprika

Instructions

  1. Preheat the Oven:
    Preheat your oven to 350°F (175°C) and lightly grease a 9×13-inch baking dish.
  2. Prepare the Sauce:
    In a large mixing bowl, combine the cream of mushroom soup, cream of chicken soup, sour cream, garlic powder, salt, pepper, and paprika. Stir until the mixture is smooth and well-combined.
  3. Add the Vegetables and Chicken:
    Add the shredded chicken, drained diced tomatoes with green chilies, chopped green and red bell peppers, chopped onion, and 1 cup of shredded cheddar cheese to the soup mixture. Stir to combine.
  4. Combine with Spaghetti:
    Fold in the cooked and drained spaghetti until the noodles are fully coated in the creamy mixture.
  5. Assemble the Casserole:
    Transfer the mixture into the prepared baking dish, spreading it evenly. Top with the remaining 1 cup of shredded cheddar cheese.
  6. Bake the Casserole:
    Bake uncovered for 30–35 minutes, or until the casserole is bubbly and the cheese has melted and turned golden brown. For an extra crispy topping, broil for 2–3 minutes.
  7. Serve:
    Let the casserole cool slightly before serving. Enjoy this creamy, cheesy comfort food with your family!

Notes

  • Gluten-Free Version: Use gluten-free spaghetti and soups for a gluten-free alternative.
  • Rotisserie Chicken: For a quicker and more flavorful option, use rotisserie chicken.
  • Less Spice: If you prefer less spice, substitute plain diced tomatoes for the ones with green chilies.
  • Vegetarian Option: Skip the chicken and add more vegetables, such as mushrooms or zucchini, for a vegetarian version.