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Ultimate Creamy Monterey Chicken Spaghetti Casserole (Easy Weeknight Dinner)

A square serving of creamy monterey chicken spaghetti topped with melted, browned cheese and fresh chives.
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Make this comforting, cheesy Monterey Chicken Spaghetti Casserole for a family-friendly weeknight dinner. It combines tender chicken, spaghetti, and a rich sauce, topped with crispy onions for texture.

Ingredients

Scale
  • 12 ounces spaghetti noodles
  • 2 large chicken breasts, cooked and shredded
  • 1 cup ranch dressing
  • 1/2 cup BBQ sauce
  • 1 cup heavy cream
  • 2 cups shredded Monterey Jack cheese, divided
  • 8 strips bacon, cooked and crumbled (optional)
  • 4 green onions, sliced (for garnish)
  • 2 tablespoons olive oil
  • Salt and pepper to taste
  • 1/2 cup French fried onions (for topping)

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
  2. Cook the spaghetti according to package directions until al dente. Drain well and set aside.
  3. In a large bowl, heat the olive oil over medium heat. Add the shredded chicken and cook briefly until warmed through. Season with salt and pepper.
  4. In the same bowl, mix the cooked chicken, cooked spaghetti, ranch dressing, BBQ sauce, heavy cream, and 1 1/2 cups of the Monterey Jack cheese. Stir until everything is evenly coated. If using bacon, stir it in now.
  5. Transfer the spaghetti mixture to the 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 mixture.
  7. Scatter the French fried onions evenly over the cheese layer.
  8. Bake for 20 to 25 minutes, or until the casserole is hot, bubbly, and the topping is golden brown.
  9. Remove from the oven and let it rest for 5 minutes before serving. Garnish with sliced green onions.

Notes

  • You can substitute rotisserie chicken for the cooked chicken breasts to save time on a busy weeknight.
  • For a Tex-Mex twist, add one can of drained diced tomatoes with green chiles (Rotel) to the sauce mixture.
  • This dish freezes well; assemble the casserole completely, cover tightly, and freeze before baking. Thaw overnight and add 10-15 minutes to the baking time.

Nutrition

Find it online: https://cravybite.link/monterey-chicken-spaghetti-recipe-easy-dinner/