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Chicken Cordon Bleu Casserole

Chicken Cordon Bleu Casserole is an easy dinner idea your whole family will love!  A casserole jam-packed with juicy chicken and diced ham smothered in a delicious cheese sauce, what more could you ask for!?  
Prep Time20 mins
Cook Time25 mins
Total Time45 mins
Course: Main Course
Cuisine: American
Keyword: Chicken Cordon Bleu Casserole
Servings: 8



  • 2 cups small-cubed ham, dried with a paper towel
  • 1 1/2 cups Swiss cheese, grated
  • 1 1/2 cups Monterey Jack cheese, grated
  • 4 boneless skinless chicken breasts, cooked and shredded


  • 5 tablespoons butter, melted
  • 1/2 cup panko breadcrumbs
  • 2 tablespoon butter
  • 1/4 cup all-purpose flour
  • 2 cups whole milk
  • 1 cup chicken broth
  • 2 tablespoons Dijon mustard
  • 1/2 teaspoon cayenne
  • Kosher salt and freshly ground black pepper


  • Preheat the oven to 350 °F.


  • Grease a 9-by-13-inch baking dish.
  • Put a third of the chicken in a layer in the bottom of the prepared baking dish.
  • Top with half of the ham.
  • Sprinkle over 1/4 cup swiss, and 1/4 cup of Monter jack.
  • Repeat and then top with remaining chicken.


  • In a medium bowl, add the 5 tablespoons of melted butter, panko, and mix well. Set aside.
  • In a small saucepan over medium-high heat, add 2 tablespoons butter. Stir and let it melt.
  • Add the flour to the skillet and cook for 2 to 3 minutes, whisking continuously and making sure there are no lumps.
  • Whisk in the milk, broth, Dijon, and cayenne. Whisk occasionally until it begins to thicken.
  • Remove from the heat and stir in 1/2 cup of Swiss and a 1/2 cup of Monterey Jack, salt and pepper, stir until completely melted.
  • Pour the sauce over the casserole.
  • Sprinkle the remaining cheese over the top, followed by the panko mix.
  • Bake until the top is browned and the casserole is bubbling about 25 to 30 minutes.