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Chicken Cordon Bleu Casserole

Chicken Cordon Bleu Casserole is a comforting, cheesy dish that combines the classic flavors of chicken, ham, and Swiss cheese in a creamy sauce, all baked to perfection. This easy casserole is perfect for a family dinner and can be made ahead of time.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Main Dish
Cuisine American
Servings 4 People
Calories 450 kcal

Equipment

  • 1 Large mixing bowl
  • 1 9x13 inch baking dish
  • 1 Whisk
  • 1 Measuring cups and spoons
  • 1 Oven

Ingredients
  

  • 3 cups cooked chicken, shredded You can use rotisserie chicken to save time.
  • 1 ½ cups diced cooked ham
  • 1 cup Swiss cheese, shredded Feel free to substitute with Gruyère or cheddar cheese for a different flavor.
  • 1 cup sour cream
  • 1 cup chicken broth
  • 1 cup breadcrumb topping
  • 1 teaspoon Dijon mustard
  • 1 teaspoon garlic powder
  • ½ teaspoon black pepper
  • ½ teaspoon salt
  • ½ teaspoon dried thyme
  • ½ cup chopped green onions For garnish, optional.

Instructions
 

  • Preheat the oven to 350°F (175°C).
  • In a large mixing bowl, combine the shredded chicken, diced ham, and ½ cup of Swiss cheese. Mix well.
  • In another bowl, whisk together the sour cream, chicken broth, Dijon mustard, garlic powder, black pepper, salt, and dried thyme until smooth and well combined.
  • Pour the sour cream mixture over the chicken and ham mixture. Stir until all the ingredients are evenly coated.
  • Transfer the mixture into a greased 9x13 inch baking dish, spreading it out evenly.
  • Sprinkle the remaining Swiss cheese over the top of the casserole.
  • Finish by adding the breadcrumb topping evenly over the cheese to create a crunchy topping.
  • Bake in the preheated oven for 30 minutes, or until the casserole is hot and bubbly and the breadcrumbs are golden brown.
  • Once done, remove from the oven and let it cool for a few minutes. Garnish with chopped green onions if desired.

Notes

You can use rotisserie chicken to save time on cooking the chicken.
Feel free to substitute the Swiss cheese with Gruyère or cheddar cheese for a different flavor.
This casserole can be assembled ahead of time and stored in the refrigerator until you’re ready to bake it. Adjust the cooking time if baking straight from the refrigerator.