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Chicken Spaghetti Casserole Recipe

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3.9 from 5 reviews

Chicken Spaghetti Casserole is a creamy and comforting American classic featuring tender shredded chicken, al dente spaghetti, and a rich, cheesy mushroom and tomato sauce. This hearty casserole is baked to perfection with a golden, bubbly cheddar cheese topping, making it an ideal cozy dinner for family gatherings or weeknight meals.

  • Total Time: 1 hour 15 minutes
  • Yield: 8 servings

Ingredients

Main Ingredients

  • 4 cups cooked shredded chicken
  • 8 ounces spaghetti
  • ½ cup green pepper, diced
  • ¼ cup chopped onion
  • 10 ounce can Rotel tomatoes, mild
  • 2 cans cream of mushroom soup
  • 1½ cups chicken broth
  • 4 cups sharp cheddar cheese, grated (divided)
  • 2 cloves garlic, minced
  • Salt and black pepper to taste
  • Fresh parsley for garnish (optional)

Instructions

  1. Preheat Oven: Preheat your oven to 350℉ to prepare for baking the casserole.
  2. Cook Spaghetti: Boil the spaghetti according to package directions until al dente. Drain well and set aside to cool slightly.
  3. Mix Ingredients: In a large mixing bowl, combine the shredded chicken, diced green peppers, chopped onions, mild Rotel tomatoes, cream of mushroom soup, chicken broth, 1½ cups of grated sharp cheddar cheese, minced garlic, salt, and black pepper. Mix thoroughly to create a creamy, flavorful sauce.
  4. Combine with Spaghetti: Add the cooked spaghetti to the chicken mixture and toss gently until the pasta is evenly coated and incorporated.
  5. Assemble Casserole: Transfer the combined mixture into a 9×13-inch baking dish, spreading it evenly. Sprinkle the remaining 2½ cups of shredded sharp cheddar cheese evenly over the top.
  6. Bake: Place the casserole in the preheated oven and bake for 25-30 minutes, until the cheese is melted, bubbly, and golden.
  7. Cool and Serve: Remove the casserole from the oven and let it cool for a few minutes. Garnish with fresh parsley if desired before serving. Enjoy your comforting chicken spaghetti casserole!

Notes

  • For extra flavor, you can add a dash of smoked paprika or cayenne pepper to the mixture.
  • Substitute cream of mushroom soup with cream of chicken soup for a variation in taste.
  • Leftovers can be stored covered in the refrigerator for up to 3 days and reheated in the oven or microwave.
  • Use gluten-free pasta if a gluten-free option is needed.
  • Fresh parsley adds a nice touch of color and freshness but is optional.
  • Author: Daisy
  • Prep Time: 30 minutes
  • Cook Time: 45 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: American