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Chicken Alfredo Bake

Golden bubbly chicken alfredo bake with creamy pasta and parsley garnish.

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This Chicken Alfredo Bake is the ultimate cozy comfort food. It transforms simple ingredients into a bubbling, golden-topped masterpiece that is perfect for feeding a family or hosting friends. The leftovers are arguably even better as the flavors meld and intensify overnight.

Ingredients

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

Instructions

  1. Preheat oven to 375°F (190°C). Cook pasta in salted boiling water until al dente. Drain and set aside.
  2. Season chicken with salt and pepper. Cook in a skillet over medium-high heat until golden and cooked through, 6-8 minutes. Remove and set aside.
  3. In the same skillet, melt butter over medium heat. Add garlic and cook for 30 seconds until fragrant. Whisk in flour and cook for 1-2 minutes to form a roux.
  4. Slowly whisk in warm milk and heavy cream. Bring to a gentle simmer, whisking frequently, until thickened, 5-7 minutes. Remove from heat.
  5. Stir in 1 1/2 cups Parmesan and 1 cup mozzarella until melted. Add Italian seasoning, onion powder, nutmeg, and black pepper. Taste and adjust salt.
  6. Add cooked pasta and chicken to the sauce, stirring to coat evenly. Pour mixture into a 9×13 inch baking dish.
  7. Top evenly with remaining 1/2 cup Parmesan and 1/2 cup mozzarella.
  8. Bake for 20-25 minutes until cheese is bubbly and golden. Optionally broil for 1-2 minutes for more color.
  9. Let rest for 5-10 minutes before serving. Garnish with fresh parsley.

Notes

For best results, use freshly grated cheese as it melts more smoothly. The nutmeg adds a subtle, authentic depth to the sauce. Letting the bake rest before serving allows the sauce to set perfectly. Leftovers reheat beautifully.

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