Preheat your oven to 350°F (175°C).
Cook the spaghetti according to package instructions until al dente. Drain and set aside.
Make the Cheese Sauce:
In a large skillet, melt the butter over medium heat.
Add the cream cheese and stir until melted and smooth.
Stir in the cream of chicken soup, sour cream, and milk. Mix until well combined.
Add the ranch seasoning mix and half of the shredded cheddar cheese. Stir until the cheese is melted and the sauce is smooth.
Season with salt and pepper to taste.
Combine and Bake:
In a large mixing bowl, combine the cooked spaghetti, shredded chicken, and cheese sauce. Mix until the spaghetti is evenly coated.
Transfer the mixture to a greased 9x13-inch baking dish.
Sprinkle the remaining cheddar cheese and the mozzarella cheese on top.
Bake the Casserole:
Bake in the preheated oven for 25-30 minutes, or until the cheese is melted and bubbly.
Garnish with chopped green onions, if desired.
Serve:
Let the casserole cool slightly before serving.
Prep Time:
20 minutes
Cook Time:
30 minutes
Total Time:
50 minutes
Nutrition (per serving, based on 8 servings):
Calories: 520
Total Fat: 32g
Saturated Fat: 18g
Cholesterol: 130mg
Sodium: 810mg
Total Carbohydrate: 30g
Dietary Fiber: 2g
Sugars: 4g
Protein: 27g
Enjoy this rich and cheesy Cheesy Crack Chicken Spaghetti Bake as a satisfying and comforting meal for any occasion!