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Chicken Cordon Bleu Casserole: Easy Irresistible Dish

CHICKEN CORDON BLEU CASSEROLE centered hero view, clean and uncluttered

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This chicken cordon bleu casserole delivers comforting classic flavors with ease. Featuring savory ham and Swiss cheese in a creamy sauce, this easy chicken cordon bleu bake is perfect for weeknights. Enjoy the delicious taste of chicken cordon bleu with dijon sauce made simple.

Ingredients

Scale
  • 3 cups cooked chicken shredded or cubed
  • 1 ½ cups cooked ham diced
  • 2 cups shredded Swiss cheese divided
  • ½ cup sour cream
  • ¼ cup milk
  • 1 tablespoon Dijon mustard
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and pepper to taste
  • ½ cup bread crumbs plain or seasoned optional
  • 2 tablespoons melted butter optional

Instructions

  1. Set your oven to 350°F 175°C and lightly grease a 9×13 inch baking dish.
  2. Mix the cooked chicken, diced ham, and 1 1/2 cups of Swiss cheese together in a large bowl.
  3. In a separate bowl, whisk sour cream, milk, Dijon mustard, garlic powder, onion powder, salt, and pepper until smooth.
  4. Add this creamy mixture to the chicken and ham, stirring carefully to coat everything evenly.
  5. Transfer the combined mixture into the prepared baking dish and smooth the top.
  6. Scatter the remaining 1/2 cup Swiss cheese over the surface.
  7. If you choose, mix bread crumbs with melted butter and sprinkle evenly over the cheese layer.
  8. Bake for 25 to 30 minutes until bubbling hot and cheese has melted.
  9. Allow the casserole to rest a few minutes before serving.

Notes

  • Use good quality ham and Swiss cheese for the best flavor
  • Don’t overbake the casserole
  • If the bread crumb topping starts to brown too quickly, tent the casserole with foil
  • Let the casserole cool slightly before serving
  • For a richer flavor, try using Gruyere cheese instead of Swiss
  • Add sauteed mushrooms, broccoli florets, or asparagus tips for added vegetables
  • Gruyere, provolone, or mozzarella would all work well in this recipe as cheese substitutions
  • Assemble the casserole up to 24 hours in advance and store it in the refrigerator
  • Leftovers can be stored in the refrigerator for up to 3 days

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