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Chicken Alfredo Bake

Creamy chicken Alfredo bake with golden cheese topping in close up food photo

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This Chicken Alfredo Bake transforms classic creamy pasta into a hearty, family-style casserole. It is a comforting and satisfying meal perfect for busy weeknights or feeding a crowd. Simple ingredients come together for a bubbly, golden-brown dish that everyone will love.

Ingredients

Scale
  • 1 pound boneless, skinless chicken breasts or thighs, cut into bite-sized pieces
  • 12 ounces penne or rotini pasta
  • 3 tablespoons unsalted butter
  • 4 cloves garlic, minced
  • 3 tablespoons all-purpose flour
  • 2 cups whole milk, warmed slightly
  • 1 cup heavy cream or half-and-half
  • 1 ½ cups freshly grated Parmesan cheese, divided
  • 2 cups shredded mozzarella cheese, divided
  • 1 teaspoon Italian seasoning
  • ½ teaspoon onion powder
  • Salt and freshly ground black pepper to taste
  • Fresh parsley, chopped (for garnish)

Instructions

  1. Preheat oven to 375°F (190°C). Grease a 9×13 inch baking dish.
  2. Bring a large pot of salted water to a boil. Cook pasta according to package directions for al dente. Drain and set aside.
  3. Season chicken pieces with salt and pepper. In a large skillet over medium-high heat, cook chicken in a drizzle of olive oil until golden and cooked through, about 6-8 minutes. Remove and set aside.
  4. In the same skillet, melt butter over medium heat. Add minced garlic and cook for 30 seconds until fragrant.
  5. Sprinkle in flour and whisk constantly for about 1 minute to form a roux.
  6. Slowly pour in the warm milk and cream, whisking constantly. Bring to a gentle simmer and cook for 2-3 minutes until thickened.
  7. Remove from heat. Stir in 1 cup of Parmesan and 1 cup of mozzarella until melted and smooth. Season with Italian seasoning, onion powder, salt, and pepper.
  8. In a large bowl, combine cooked pasta, cooked chicken, and the Alfredo sauce. Stir until evenly coated.
  9. Pour mixture into the prepared baking dish. Top evenly with remaining 1 cup mozzarella and ½ cup Parmesan.
  10. Bake for 20-25 minutes, or until cheese is melted, bubbly, and golden. For a crispier top, broil for 1-2 minutes, watching closely.
  11. Let rest for 5 minutes before serving. Garnish with fresh parsley.

Notes

For a gluten-free version, use GF pasta and flour. Leftover rotisserie chicken (about 3 cups shredded) can be used to save time. Letting the bake rest after cooking helps the sauce set for neater servings.

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