If you love the classic flavors of chicken cordon bleu but want an easy, family-friendly, and comforting casserole, this recipe is for you. Imagine layers of tender chicken, savory ham, creamy Swiss cheese, and a rich, flavorful sauce—all baked together into a golden, bubbling casserole that’s perfect for dinner, meal prep, or a weekend gathering.

Unlike traditional chicken cordon bleu that requires individual chicken breasts to be stuffed, breaded, and pan-fried, this casserole simplifies the process without sacrificing flavor. By using cooked chicken, layering ham and cheese, and combining everything with a creamy sauce, you get the same delicious flavor in a fraction of the time.

This casserole is versatile, easy to prep ahead of time, and ideal for feeding a crowd. It pairs wonderfully with fresh green salads, roasted vegetables, or a side of buttery mashed potatoes. For those who love a little crunch, a topping of toasted bread crumbs adds the perfect finishing touch.

Whether you’re cooking for a busy weeknight, hosting a family dinner, or meal prepping for the week, Chicken Cordon Bleu Casserole is a reliable crowd-pleaser that’s both decadent and comforting.

🧾 Ingredients

3 cups cooked chicken, shredded or diced
6 slices ham, chopped
1 ½ cups Swiss cheese, shredded
1 (10.5 oz) can cream of chicken soup
½ cup milk
2 tsp Dijon mustard
¼ tsp garlic powder
¼ tsp onion powder
Salt and pepper, to taste
½ cup bread crumbs
2 tbsp butter, melted
Optional: chopped fresh parsley for garnish

🥣 Instructions

Preheat the oven to 375°F (190°C). Lightly grease a 9×13-inch casserole dish.
In a large bowl, combine cream of chicken soup, milk, Dijon mustard, garlic powder, onion powder, salt, and pepper. Mix until smooth.
Add the cooked chicken, chopped ham, and 1 cup of shredded Swiss cheese to the sauce. Stir to combine.
Pour the mixture into the prepared casserole dish and spread evenly.
Sprinkle the remaining ½ cup of Swiss cheese on top.
In a small bowl, mix bread crumbs with melted butter and sprinkle over the cheese layer.
Bake for 25–30 minutes or until the casserole is bubbly and the top is golden brown.
Remove from oven and let cool for 5 minutes. Garnish with chopped parsley before serving.
Serve warm with your favorite side dishes.

💡 Tips & Variations

Make it ahead: Assemble the casserole the night before, cover, and refrigerate. Bake the next day, adding 5–10 extra minutes to the baking time.
Cheese options: Substitute Gruyère or mozzarella for Swiss cheese for a different flavor profile.
Extra crunch: Mix panko bread crumbs with Parmesan cheese for a crispier topping.
Vegetable boost: Add steamed broccoli or spinach for a more balanced casserole.