Delicious Chicken Cordon Bleu Casserole Recipe

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Modified:January 27, 2026

Published:January 25, 2026

by Sarah Mitchel

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Mastering the Art of Effortless Comfort with Our Chicken Cordon Bleu Casserole

Imagine tender chicken, savory ham, and glorious melted Swiss cheese, all enrobed in a rich, creamy sauce and topped with a golden, buttery crust. That, my friends, is the culinary dream realized in this outstanding Chicken Cordon Bleu Casserole! This dish takes all the sophisticated flavors of the classic French bistro staple and transforms it into an approachable, comforting, and utterly delightful weeknight meal. Move over, fussy pan-seared dishes; this one-pot wonder is about to become your new kitchen hero. You’re going to adore how effortlessly this casserole brings gourmet flavors to your table!

From Classic to Casserole: Why I Love This Weeknight Game Changer

The traditional Chicken Cordon Bleu is a masterpiece, no doubt. But let’s be honest, rolling and breading individual chicken breasts can be a project! My casserole version captures every single nuance of that beloved flavor profile—the salty ham, the tangy Swiss, the succulent chicken, and that irresistible golden crunch—but with a fraction of the effort. It’s the ultimate weeknight game-changer because you get all the fancy vibes without any of the stress. It’s rich, satisfying, and simply perfect for feeding a crowd or providing delicious leftovers.

Why This Chicken Cordon Bleu Casserole Will Become Your Go-To

This Chicken Cordon Bleu Casserole isn’t just another recipe; it’s an experience. Here’s why it’s guaranteed to earn a permanent spot in your culinary rotation:

  • Creamy, Rich, and Perfectly Balanced Flavor: We’re talking about a velvety sauce that perfectly coats every ingredient, ensuring each forkful is bursting with savory chicken, salty ham, and nutty Swiss cheese. It’s comfort food elevated!
  • Satisfying Texture with Every Bite: From the tender chicken to the slightly crisp ham, gooey melted cheese, and the delightful crunch of the buttery breadcrumb topping, this casserole offers an incredible symphony of textures that keeps you coming back for more.
  • Family-Friendly and Crowd-Pleasing Appeal: Classic flavors like chicken, ham, and cheese are universally loved. This casserole is a surefire hit with picky eaters and sophisticated palates alike. It’s perfect for family dinners, potlucks, or entertaining guests.
  • One-Dish Wonder: Less Mess, More Flavor: Say goodbye to multiple pots and pans. This entire meal comes together beautifully in a single baking dish, meaning less cleanup for you and more time to enjoy your delicious creation!

Gather Your Ingredients: The Heart of Your Casserole

Here is what you need and why:

The Chicken: For this Chicken Cordon Bleu Casserole, I typically reach for boneless, skinless chicken breasts, cut into bite-sized pieces. They cook evenly and remain tender. However, boneless, skinless chicken thighs can also be a fantastic option, offering a slightly richer flavor and even more moisture. Just ensure they’re cut into uniform pieces for even cooking.

The Ham: Quality matters here! Opt for a good quality deli ham, sliced a bit thicker than usual, or even pre-diced cooked ham. Black Forest ham or a good smoked ham will elevate the flavor significantly. Avoid overly watery ham, as it can dilute the sauce.

The Cheese: While Swiss cheese is the traditional star of Cordon Bleu, don’t be afraid to experiment! A good Emmental or Gruyere will offer a similar nutty, slightly sweet profile and melt beautifully. For added depth, I sometimes use a blend of Swiss and a touch of Fontina or even some white cheddar. The key is to use a good melting cheese.

The Cream Sauce: This is the soul of our casserole. We’re building a classic béchamel-style sauce with butter, flour, chicken broth, and whole milk or half-and-half. The béchamel provides that velvety, rich base that binds all the ingredients together and truly makes this casserole decadent. A touch of Dijon mustard and a pinch of nutmeg wakes up the flavors beautifully.

The Topping: For that essential golden, crispy perfection, we’re using a mix of panko breadcrumbs and melted butter. Panko offers a superior crunch compared to regular breadcrumbs, giving you that delightful texture contrast that’s characteristic of traditional Cordon Bleu.

Smart Substitutions for Dietary Needs or Pantry Staples: For a gluten-free option, use gluten-free all-purpose flour for the roux and ensure your broth is gluten-free. Dairy-free milk alternatives can be used for the sauce, though the flavor and richness will differ (unsweetened plain almond or oat milk works best). If you don’t have Swiss, provolone or mozzarella can be used in a pinch, though the flavor profile will change. For the breadcrumbs, crushed butter crackers or even gluten-free breadcrumbs work well.

Your Step-by-Step Guide to Chicken Cordon Bleu Casserole Perfection

Follow these step-by-step photos:

1. Prep Your Chicken and Ham

Start by cutting your chicken into 1-inch bite-sized pieces. If you’re using ham slices, roughly chop them into similar sizes. In a large skillet, heat a tablespoon of olive oil over medium-high heat. Add the chicken pieces and sear until lightly golden brown on all sides and mostly cooked through. You don’t need to cook it completely, as it will finish baking in the oven. Remove the chicken from the skillet and set aside. In the same skillet, briefly sauté the chopped ham for about 2-3 minutes until it’s slightly caramelized and fragrant. This step enhances its savory flavor. Remove the ham and set aside with the chicken.

2. Crafting the Creamy Sauce

In the same skillet (no need to clean it, those browned bits add flavor!), melt 4 tablespoons of unsalted butter over medium heat. Once melted, sprinkle in 1/4 cup of all-purpose flour, whisking constantly for 1-2 minutes to create a smooth roux. This will cook out the raw flour taste. Gradually whisk in 2 cups of warm chicken broth until smooth, then slowly add 1 cup of whole milk or half-and-half, continuing to whisk until the sauce thickens to your desired consistency – it should be thick enough to coat the back of a spoon. Stir in 1 teaspoon of Dijon mustard, 1/2 teaspoon of garlic powder, and a pinch of nutmeg. Season with salt and black pepper to taste. Remove from heat.

3. Assembling Your Casserole Layers

Preheat your oven to 375°F (190°C). Spray a 9×13 inch baking dish with non-stick spray. Spread half of the cooked chicken and ham evenly over the bottom of the prepared dish. Sprinkle with half of your shredded Swiss cheese (about 1 cup). Pour half of the creamy sauce over the cheese layer. Repeat with the remaining chicken, ham, cheese, and sauce, ensuring everything is distributed as evenly as possible. You want every bite to have a fantastic mix of flavors!

4. The Golden Crumb Topping

In a small bowl, combine 1 1/2 cups of panko breadcrumbs with 4 tablespoons of melted unsalted butter. Stir until the breadcrumbs are evenly coated. Sprinkle this buttery panko mixture generously and evenly over the top of your assembled casserole. This is what will give us that irresistible golden, crunchy finish.

5. Baking to Bubbling Perfection

Place the casserole dish in your preheated oven and bake for 25-30 minutes, or until the sauce is bubbly around the edges and the breadcrumb topping is beautifully golden brown and crisp. The internal temperature should reach 165°F (74°C). If the topping starts to brown too quickly, you can loosely tent it with aluminum foil. Once baked, remove the casserole from the oven.

Expert Tips for a Flawless Chicken Cordon Bleu Casserole

  • Don’t Skip the Searing: Flavor Boost: Searing the chicken (and even briefly sautéing the ham) before adding it to the casserole is crucial. This step develops deep, caramelized flavors through the Maillard reaction, which you simply can’t achieve by just baking raw ingredients. It adds incredible depth to your casserole.
  • Thickening Your Sauce: Common Pitfalls and Solutions: When making your roux, whisk continuously to prevent lumps. If your sauce is too thin, create a small slurry with a tablespoon of cornstarch mixed with a tablespoon of cold water, then whisk it into the simmering sauce a little at a time until thickened. If it’s too thick, add a splash more broth or milk until it reaches the desired consistency.
  • Even Distribution for Consistent Bites: Take the extra minute to distribute the chicken, ham, and cheese evenly between the layers. This ensures that every serving of your Chicken Cordon Bleu Casserole has a perfect balance of all the delicious components.
  • Achieving the Perfect Golden Crust: For the ultimate crispy topping, don’t skimp on the butter in your panko mixture! If your oven has a broiler, you can briefly (and carefully!) broil the casserole for the last minute or two to get an extra golden finish, watching constantly to prevent burning.
  • Resting Time: Why It Matters: Once baked, let your casserole rest for 5-10 minutes before serving. This allows the sauce to set slightly, preventing it from being too runny when you cut into it, and helps the flavors meld together even more beautifully. This patience is rewarded!

What to Serve with Your Chicken Cordon Bleu Casserole

This rich and flavorful Chicken Cordon Bleu Casserole pairs beautifully with a variety of side dishes that offer balance and complement its comforting savory profile:

  • Light Green Salad for Balance: A simple mixed green salad with a bright vinaigrette dressing is perfect for cutting through the richness of the casserole.
  • Steamed Green Beans or Asparagus: Fresh, lightly steamed vegetables offer a crisp texture and vibrant color contrast. A squeeze of lemon on top would be delightful.
  • Crusty Bread for Sopping Up the Sauce: A warm baguette or a loaf of crusty artisan bread is essential for soaking up every last bit of that incredible creamy sauce. Check out King Arthur Baking’s Rustic Sourdough Bread recipe for some inspiration!
  • Simple Rice Pilaf: For something a bit more substantial, a fluffy rice pilaf can be a wonderful accompaniment, absorbing the flavors of the casserole beautifully.

Storing and Reheating Your Leftovers

Proper Storage for Freshness

Allow the casserole to cool completely to room temperature before storing. Transfer any leftovers to an airtight container and refrigerate for up to 3-4 days. Do not leave the casserole out at room temperature for more than 2 hours.

Reheating for Best Texture and Flavor

For best results, reheat individual portions in the microwave until heated through, or in a preheated oven at 300°F (150°C) for about 15-20 minutes, or until bubbling and hot in the center. If reheating in the oven, you can cover it loosely with foil to prevent the topping from over-browning. You might want to add a splash of milk or broth if the sauce seems too dry.

Freezing Instructions for Make-Ahead Meals

This Chicken Cordon Bleu Casserole freezes beautifully! To freeze an assembled, unbaked casserole: Cover tightly with plastic wrap, then a layer of aluminum foil, and freeze for up to 3 months. When ready to bake, thaw overnight in the refrigerator, then bake as directed, potentially adding 10-15 minutes to the baking time. To freeze a baked casserole: Cool completely, then portion into individual servings or smaller freezer-safe containers. Freeze for up to 3 months. Reheat from frozen in the oven at 350°F (175°C), covered with foil, until heated through (about 30-45 minutes for individual portions, longer for larger). Uncover for the last 10 minutes to crisp the topping.

Frequently Asked Questions About Chicken Cordon Bleu Casserole

Can I use rotisserie chicken?
Absolutely! Using pre-cooked rotisserie chicken is a fantastic shortcut that makes this Chicken Cordon Bleu Casserole even quicker to prepare. Just shred or dice the chicken and incorporate it into the casserole as directed. You’ll still want to lightly sauté your ham for flavor.
What if I don’t have Swiss cheese?
While Swiss is traditional, you can certainly substitute it. Good alternatives that melt well and have a complementary flavor include Gruyere, Emmental, Provolone, or even a mild white cheddar. The flavor profile will shift slightly, but it will still be delicious!
How can I make this gluten-free?
Making this Chicken Cordon Bleu Casserole gluten-free is simple! Use a good quality gluten-free all-purpose flour blend (one that includes xanthan gum works best) for the roux in your cream sauce. Ensure your chicken broth is certified gluten-free, and use gluten-free panko breadcrumbs for the topping. The rest of the ingredients are naturally gluten-free.
Can I assemble this ahead of time?
Yes, absolutely! You can assemble the entire casserole (up to the point of adding the breadcrumb topping) up to 24 hours in advance. Cover it tightly with plastic wrap and refrigerate. Before baking, let it sit at room temperature for about 30 minutes, then sprinkle with the breadcrumbs and bake as directed, potentially adding 5-10 minutes to the baking time since it will be colder. This makes it perfect for entertaining or busy weeknights!

“,
“recipe_card”: {
“title”: “Delicious Chicken Cordon Bleu Casserole”,
“description”: “Indulge in this comforting Chicken Cordon Bleu Casserole, featuring tender chicken and savory ham in a rich, creamy sauce. Topped with a golden, crispy panko crust, it’s a gourmet meal made easy. “,
“prep_time”: “20 mins”,
“cook_time”: “30 mins”,
“yield”: “8 servings”,
“ingredients”: “

  • 2 tbsp Olive Oil
  • 2 lbs Boneless, Skinless Chicken Breasts or Thighs, cut into 1-inch pieces
  • 12 oz Quality Deli Ham, coarsely chopped
  • 4 tbsp Unsalted Butter
  • 1/4 cup All-Purpose Flour (or Gluten-Free AP flour)
  • 2 cups Chicken Broth (low sodium, or gluten-free if needed)
  • 1 cup Whole Milk or Half-and-Half
  • 1 tsp Dijon Mustard
  • 1/2 tsp Garlic Powder
  • Pinch of Nutmeg
  • Salt and Freshly Ground Black Pepper, to taste
  • 2 cups Shredded Swiss Cheese (or Gruyere/Emmental)
  • 1 1/2 cups Panko Breadcrumbs (or Gluten-Free Panko)
  • 4 tbsp Unsalted Butter, melted

“,
“instructions”: “

  • Prep Chicken & Ham: Heat olive oil in a large skillet over medium-high heat. Sear chicken pieces until lightly golden and mostly cooked through (about 5-7 minutes). Remove and set aside. In the same skillet, briefly sauté chopped ham until slightly caramelized (2-3 minutes). Remove and set aside.
  • Craft Creamy Sauce: In the same skillet, melt 4 tbsp butter over medium heat. Whisk in flour for 1-2 minutes to create a roux. Gradually whisk in chicken broth until smooth, then milk, continuing to whisk until thickened. Stir in Dijon, garlic powder, nutmeg, salt, and pepper. Remove from heat.
  • Assemble Casserole: Preheat oven to 375°F (190°C). Spray a 9×13 inch baking dish. Layer half the chicken/ham mixture, then 1 cup of Swiss cheese, then half the cream sauce. Repeat layers with remaining chicken/ham, cheese, and sauce.
  • Add Crumb Topping: In a small bowl, combine panko breadcrumbs with 4 tbsp melted butter. Sprinkle evenly over the casserole.
  • Bake to Perfection: Bake for 25-30 minutes, or until bubbly and the topping is golden brown and crisp. Let rest 5-10 minutes before serving.


}
}

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