Description
Best Chicken Alfredo Casserole is a creamy, comforting, and crowd-pleasing baked dish that combines tender chicken, al dente pasta, and a rich Alfredo sauce topped with melted mozzarella cheese. Perfect for weeknight dinners or potlucks, this casserole offers a deliciously cheesy and hearty meal that everyone will love.
Ingredients
Pasta
- 12 ounces penne or rotini pasta
Sauce
- 2 tablespoons unsalted butter
- 3 cloves garlic, minced
- 3 tablespoons all-purpose flour
- 2 cups whole milk
- 1 cup heavy cream
- 1 1/2 cups grated Parmesan cheese
- Salt and black pepper to taste
- 1/2 teaspoon Italian seasoning
Other
- 3 cups cooked chicken, shredded or diced
- 1 1/2 cups shredded mozzarella cheese
- 2 tablespoons chopped fresh parsley (optional, for garnish)
Instructions
- Preheat and Prep: Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish to prevent sticking.
- Cook Pasta: Boil the pasta in salted water until just al dente, then drain and set aside. This ensures the pasta finishes cooking perfectly in the casserole.
- Make the Alfredo Sauce: In a large saucepan, melt the butter over medium heat. Add the minced garlic and cook for 1 minute until fragrant. Stir in the flour and cook for another minute to make a roux, which thickens the sauce.
- Add Liquids: Slowly whisk in the whole milk and heavy cream, stirring constantly to avoid lumps. Continue stirring and cook for about 4-5 minutes until the sauce thickens.
- Incorporate Cheese and Seasoning: Add the grated Parmesan cheese, Italian seasoning, salt, and pepper to the sauce. Stir until the cheese melts and the sauce is smooth and creamy.
- Combine and Assemble: Add the cooked pasta and shredded or diced chicken to the sauce, mixing well to coat everything evenly. Pour this mixture into the prepared baking dish.
- Add Mozzarella and Bake: Sprinkle shredded mozzarella cheese evenly on top. Bake uncovered for 20 to 25 minutes until the cheese is melted and bubbly.
- Broil for Finish: Optional—broil for 2 to 3 minutes at the end to get a golden, slightly crispy cheese topping. Watch carefully to avoid burning.
- Rest and Garnish: Let the casserole rest for 5 minutes before serving to set. Garnish with chopped fresh parsley if desired for a fresh touch.
Notes
- Use rotisserie chicken to save time and add flavor.
- Add steamed broccoli, spinach, or mushrooms for extra vegetables and nutrition.
- For make-ahead convenience, assemble the casserole, cover it, and refrigerate up to 24 hours before baking.
