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Chicken Cordon Bleu Casserole

Chicken Cordon Bleu Casserole is a cozy, oven-baked dinner made with tender chicken, savory ham, and melted Swiss cheese in a rich, creamy sauce. All the classic flavors of Chicken Cordon Bleu—without the extra work.
Prep Time: 15 minutesCook Time: 40 minutesTotal Time: 55 minutesServings: 6Course: Main DishCuisine: American / French-InspiredMethod: Baking

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Ingredients Method

Ingredients
  

  • 2 lbs boneless skinless chicken breasts, diced
  • 1½ cups cooked ham diced
  • 2 cups shredded Swiss cheese or Gruyère
  • 1 cup heavy cream
  • ½ cup chicken broth
  • 1 teaspoon Dijon mustard
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and black pepper to taste
  • Optional Topping
  • ½ cup panko breadcrumbs
  • 2 tablespoons butter melted

Method
 

  1. Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
  2. Spread diced chicken evenly in the baking dish. Season lightly with salt and pepper.
  3. Layer ham evenly over the chicken, then sprinkle with shredded cheese.
  4. In a bowl, whisk together cream, chicken broth, Dijon mustard, garlic powder, and onion powder.
  5. Pour sauce evenly over the casserole.
  6. If using topping, mix breadcrumbs with melted butter and sprinkle over the top.
  7. Bake uncovered for 35–40 minutes, until bubbly and chicken is fully cooked.
  8. Let rest for 5–10 minutes before serving.