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A serving utensil getting a scoop of Chicken Cordon Bleu Casserole.
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Chicken Cordon Bleu Casserole

Everything you love about the classic dish, turned into a casserole - chicken, ham, breadcrumbs, Swiss cheese and a creamy sauce!
Course Dinner, Main Course
Cuisine American
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 12 servings
Calories 360kcal
Author Brandie Skibinski

Ingredients

  • 5 cups shredded chicken
  • 9 ounces sliced deli-style black forest ham, cut into strips (about 9 slices - see notes below)
  • 8 ounces sliced Swiss cheese (about 12 thin slices)

Sauce:

  • 6 Tablespoons unsalted butter
  • 1 Tablespoon Dijon mustard
  • 1 Tablespoon freshly squeezed lemon juice (optional)
  • 1 teaspoon garlic powder
  • ½ teaspoon salt
  • ¼ teaspoon nutmeg (optional)
  • ¼ teaspoon cayenne pepper (optional)
  • 6 Tablespoons all-purpose flour
  • 3 cups whole milk

Topping:

Instructions

  • Preheat the oven to 350°F and spray a 9x13-inch casserole dish with nonstick cooking spray.
  • Evenly spread 5 cups shredded chicken into the baking dish.
    Shredded chicken in a baking dish.
  • Next, evenly layer 9 ounces sliced deli-style black forest ham, cut into strips over the chicken.
    Ham and chicken in a baking dish.
  • Then place 8 ounces sliced Swiss cheese evenly over the ham, overlapping the cheese slices to fit into the casserole dish.
    Swiss cheese, ham, and chicken in a baking dish.
  • Melt 6 Tablespoons unsalted butter in a saucepan over medium heat. Whisk in t1 Tablespoon Dijon mustard, 1 Tablespoon freshly squeezed lemon juice (if using), 1 teaspoon garlic powder, 1/2 teaspoon salt, 1/4 teaspoon nutmeg (if using) and 1/4 teaspoon cayenne pepper (if using).
    Melted butter, Dijon mustard, lemon juice, garlic powder, salt, nutmeg, and cayenne pepper in a saucepan.
  • Sprinkle in 6 Tablespoons all-purpose flour and continue whisking over medium heat until it forms a paste.
    Flour added to a mixture in a saucepan.
  • Slowly add 3 cups whole milk, a quarter of a cup at a time, whisking after each addition until the mixture is smooth, before adding the next bit of milk.
    A thick creamy sauce in a saucepan.
  • Once all the milk has been added, allow it to simmer for 4 minutes or until the sauce has thickened (whisking occasionally.)
    A smooth creamy sauce in a saucepan.
  • Pour the sauce over the cheese layer and spread it evenly around as best as possible, making sure to get in all the corners.
    A rubber spatula smoothing a creamy sauce in a baking dish.
  • Combine the 1 ½ cups Panko breadcrumbs and 4 Tablespoons unsalted butter, softened to room temperature butter in a small bowl and spread this mixture evenly over the casserole dish as your final layer.
    Panko crumbs on top of a casserole in a dish.
  • Bake in the oven uncovered for 30-40 minutes, or until the sauce is bubbling and the Panko topping is golden brown.
    A baked Chicken Cordon Bleu Casserole in a dish.
  • Remove the casserole dish from the oven and let it sit for 5 minutes to allow the sauce to set. Sprinkle with chopped parsley (optional) and serve.
    A scoop of Chicken Cordon Bleu Casserole being lifted out of the serving dish.

Notes

  • Please refer to my FAQ’s (Frequently Asked Questions) and ingredient list above for other substitutions or for the answers to the most common questions.
  • Hillshire Farms makes a 9 ounce tub of ultra thin honey ham, so to make this easy, you can just buy one of those and slice them up.
  • it's okay to heat the butter up in the microwave so it is softened or slightly melted.

Nutrition

Calories: 360kcal | Carbohydrates: 13g | Protein: 27g | Fat: 22g | Sodium: 489mg | Fiber: 1g | Sugar: 4g
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