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Creamy Monterey Chicken Spaghetti Casserole

A spoonful of creamy monterey chicken spaghetti being lifted from a white baking dish, topped with melted cheese and crispy onions.
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Make this comforting Monterey Chicken Spaghetti Casserole for an easy weeknight dinner. This cheesy pasta bake features tender chicken and a rich, creamy sauce, making it a family favorite.

Ingredients

Scale
  • 1 pound spaghetti, cooked and drained
  • 2 cups cooked, shredded chicken
  • 1 (10.5 ounce) can cream of chicken soup
  • 1 cup sour cream
  • 1 cup milk
  • 1 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 cups shredded Monterey Jack cheese, divided
  • 1 cup frozen spinach, thawed and drained well
  • 1/2 cup crispy fried onions, for topping

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. In a large bowl, combine the cream of chicken soup, sour cream, milk, garlic powder, salt, and pepper. Whisk until the sauce is smooth.
  3. Stir in the shredded chicken, drained spinach, and 1 1/2 cups of the Monterey Jack cheese into the sauce mixture. Mix gently until everything is coated.
  4. Fold in the cooked and drained spaghetti until it is evenly combined with the creamy chicken mixture.
  5. Transfer the spaghetti mixture to your prepared baking dish, spreading it into an even layer.
  6. Sprinkle the remaining 1/2 cup of Monterey Jack cheese over the top of the pasta.
  7. Bake for 20 to 25 minutes, or until the casserole is heated through and the cheese is melted and bubbly.
  8. Remove the dish from the oven and sprinkle the crispy fried onions over the top.
  9. Let the Monterey Chicken Spaghetti Casserole rest for 5 minutes before you serve it.

Notes

  • You can substitute rotisserie chicken for cooked, shredded chicken to save time on busy weeknights.
  • For a freezer-friendly option, assemble the casserole completely, cover tightly, and freeze before baking. Thaw overnight in the refrigerator before baking as directed, adding 10-15 minutes to the bake time if baking from cold.
  • If you prefer a tangier flavor, substitute half of the sour cream with plain Greek yogurt.

Nutrition

Find it online: https://cookincorner.com/monterey-chicken-spaghetti-casserole-recipe/