This Chicken Cordon Bleu Casserole takes all the comforting flavors of the classic French dish and turns them into an easy, creamy, irresistibly cheesy bake that’s perfect for busy weeknights. It’s rich, hearty, and filled with layers of tender chicken, savory ham, melted Swiss cheese, and a golden, buttery breadcrumb topping that crisps up beautifully in the oven. The best part? It’s all done in one dish and ready in about 30 minutes. No rolling or stuffing required!

Why You’ll Love This Recipe

• Fast and Fuss-Free: No pounding, rolling, or breading here—just layer, bake, and enjoy!
• Family Favorite: This creamy, savory casserole hits all the right notes with adults and kids alike.
• Great Use of Leftovers: Got some extra chicken or ham in the fridge? This is the perfect way to use them up.
• Comfort Food Classic: Creamy sauce, melted cheese, and a crunchy topping—what more could you want?

Ingredients You’ll Need

this Recipe

This casserole is beautifully simple, and you probably already have most of these on hand!

• Cooked Chicken Breast: Chopped into bite-sized pieces. Leftover rotisserie chicken works wonderfully here.
• Ham: Diced ham brings a salty, smoky flavor that’s key to that Cordon Bleu taste.
• Swiss Cheese: Melts beautifully and gives the dish its signature tang. Don’t love Swiss? See the variations below!
• Cream of Chicken Soup: Forms the base of that creamy, dreamy sauce.
• Milk: Helps loosen up the soup and create a velvety texture.
• Dijon Mustard: Adds a gentle kick of sharpness that balances the richness.
• Thyme: Fresh or dried—it adds a subtle earthiness.
• Garlic Powder & Paprika: These spices round out the flavor and add a little color.
• Salt and Cracked Black Pepper: Always season to taste!
• Panko Bread Crumbs: Gives the casserole a satisfyingly crisp topping.
• Unsalted Butter: Mixed with the breadcrumbs to help them toast up golden and delicious.
• Cooking Spray: Keeps things from sticking in your baking dish.