Chicken Alfredo Casserole Easy Comforting Weeknight Dinner

Name: Chicken Alfredo Casserole Easy Comforting Weeknight Dinner
Prep time: 20 min
Total time: 20 min
Cuisine: American
Ingredients: 1 pound dried penne pasta; 2 medium boneless skinless chicken breasts (1 to 1 1/4 pounds total); 1 teaspoon coarsely chopped fresh thyme leaves (6 sprigs); 2 teaspoons kosher salt divided plus more as needed; 1/2 teaspoon freshly ground black pepper; 1 tablespoon olive oil; 3 tablespoons unsalted butter plus more for the baking dish; 5 cloves garlic minced; 3 tablespoons all-purpose flour; 3 cups whole or 2% milk; 1 cup heavy cream; 1 small pinch fresh grated nutmeg; 5 ounces Parmesan cheese finely grated (about 1 cup freshly grated or 1 1/4 cups store-bought grated); 6 ounces shredded whole milk low-moisture mozzarella (about 1 1/2 cups) divided; Coarsely chopped fresh thyme or parsley leaves for garnish (optional)

Instructions

Prep:20min

Chicken Alfredo Casserole is a creamy chicken dinner perfect for a simple casserole recipe. This easy dinner comes together quickly, making it ideal for a family dinner or busy weeknight meal with comforting flavors.

Updated at: Wed, 11 Mar 2026 08:13:35 GMT