Chicken Cordon Bleu Casserole Recipe

If you love the classic French flavors of chicken cordon bleu but dread the fussy rolling, breading, and stuffing process, this Chicken Cordon Bleu Casserole Recipe is exactly what you’ve been waiting for.

All the same buttery, savory, cheesy goodness you’d expect from the original, but layered into a baking dish with a creamy Dijon sauce and a golden, buttery breadcrumb topping.

It’s the kind of dish that looks like you put in a lot of effort without actually requiring it.

This casserole captures every signature element of the original: juicy cooked chicken, salty ham, melty Swiss cheese, and that tangy Dijon-cream sauce, all finished with a panko breadcrumb crust that bakes up perfectly golden and crunchy.

And since you’re working with pre-cooked chicken (rotisserie works beautifully here), the whole thing comes together in under an hour from start to finish.

It’s reliable, crowd-pleasing comfort food at its best.

If you love cozy baked dinners like this, you might also enjoy this Chicken Parmesan Casserole for another easy, crowd-pleasing weeknight option.

Why You’ll Love This Chicken Cordon Bleu Casserole Recipe

This casserole has a way of disappearing fast at the dinner table, and once you taste it, you’ll understand exactly why.

It captures all the elegance of the classic French dish without requiring any culinary training or complicated technique.

Even the pickiest eaters tend to be won over by the combination of creamy sauce, salty ham, and crunchy breadcrumb topping.

It’s also wonderfully versatile. You can prep it ahead of time, customize the cheese, or serve it over noodles or rice to stretch it even further.

Here’s a quick rundown of why this one keeps landing on dinner rotation:

• Easy enough for weeknights: With rotisserie chicken and simple pantry ingredients, you can have this assembled in about 15 minutes.
• Classic flavor, minimal work: All the signature Chicken Cordon Bleu flavors in one baking dish.
• Family approved: Kids love the creamy, cheesy filling, and adults appreciate the Dijon depth and crispy topping.
• Great for meal prep: Assemble it the night before and bake when you’re ready.
• Freezer friendly: Both baked and unbaked versions freeze well for up to three months.
• Customizable: Swap the cheese, add vegetables, or serve it over egg noodles to make it your own.

You might also love this Chicken Broccoli Rice Casserole for another easy, hearty baked dinner the whole family will enjoy.

Ingredients

This recipe relies on a handful of classic ingredients that come together to recreate all the defining flavors of traditional Chicken Cordon Bleu. The key is using good-quality ham and real Swiss cheese for the best result.

• 4 cups (about 500 g) cooked chicken, shredded or cubed (rotisserie chicken works perfectly)
• 8 oz (225 g) deli ham, chopped or sliced into strips
• 1 1/2 cups (170 g) shredded Swiss cheese, divided
• 1 can (10.5 oz / 298 g) cream of chicken soup
• 1/2 cup (120 ml) sour cream
• 2 tablespoons Dijon mustard
• 1/2 cup (120 ml) milk
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• Salt and black pepper, to taste
• 1 cup (50 g) panko breadcrumbs
• 3 tablespoons unsalted butter, melted
• 1 tablespoon fresh parsley, chopped (optional, for garnish)

Read Also: Chicken Cordon Bleu Recipe

Kitchen Equipment Needed

You won’t need any fancy equipment for this recipe. Most of what you need is probably already sitting in your kitchen.

• 9×13-inch baking dish
• Large mixing bowl
• Whisk
• Small mixing bowl (for the breadcrumb topping)
• Wooden spoon or spatula
• Instant-read meat thermometer
• Aluminum foil
• Non-stick cooking spray
• Cutting board and knife
• Measuring cups and spoons

Another favorite: Slow Cooker Green Bean Casserole

Recommended Products for This Recipe

These are products I genuinely recommend based on quality and how much they improve the final result of this casserole.

1. Le Creuset Enameled Stoneware Baking Dish

A quality baking dish makes a real difference in casseroles like this one. The Le Creuset distributes heat evenly so your casserole bubbles perfectly throughout without burning on the edges. The enameled surface also makes cleanup much easier, even after the cheesiest bakes.

Get it on Amazon

2. Organic Dijon Mustard

Dijon mustard is one of the flavor backbones of any Chicken Cordon Bleu recipe, so using a good one matters. A smooth, tangy Dijon blends seamlessly into the cream sauce and delivers that classic, slightly sharp flavor without overpowering everything else.

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3. Panko Breadcrumbs

Panko creates a lighter, crispier topping than regular breadcrumbs, which is what gives this casserole that satisfying crunch on top. The larger flakes toast up beautifully in the oven and hold their texture even after the casserole has been sitting for a few minutes.

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4. Instant-Read Meat Thermometer

If you’re starting with raw chicken instead of rotisserie, an instant-read thermometer takes all the guesswork out of knowing when your casserole is done. It’s one of those tools that pays for itself the first time you use it.

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This creamy, layered casserole style also works beautifully with pasta bakes like this Pesto Tortellini Bake if you want to try a different spin on baked comfort food.

Step-by-Step Instructions

1. Preheat Your Oven and Prepare the Baking Dish

• Set your oven to 350°F (175°C) and allow it to fully preheat before the casserole goes in. A consistent oven temperature ensures the cheese melts evenly and the topping browns correctly.
• Lightly coat a 9×13-inch baking dish with non-stick cooking spray, making sure to get the sides as well as the bottom. This prevents sticking and makes serving and cleanup much easier.
• Set the prepared baking dish aside while you put together the filling and the sauce.

2. Make the Cream Sauce

• In a large mixing bowl, combine the cream of chicken soup, sour cream, Dijon mustard, and milk.
• Whisk everything together until the mixture is completely smooth and no lumps remain. The Dijon mustard is key here. It disperses through the sauce and gives the casserole that signature, tangy backbone that makes it taste like true Chicken Cordon Bleu.
• Season the sauce with the garlic powder, onion powder, and a pinch each of salt and black pepper. Taste and adjust as needed. Keep in mind the ham and soup already carry some saltiness, so go easy on extra salt at this stage.

3. Layer the Chicken

• Spread the shredded or cubed cooked chicken evenly across the bottom of your prepared baking dish.
• Try to spread it in an even, single layer so that every serving gets a good ratio of chicken to sauce. If using rotisserie chicken, now is a great time to shred it by hand or with two forks while it’s still slightly warm since it pulls apart much more easily.
• Season the chicken layer lightly with salt and black pepper if desired.

4. Add the Ham

• Scatter the chopped deli ham evenly over the chicken layer.
• Try to distribute it as uniformly as possible so every bite gets a little ham. You can tear or chop it into bite-sized pieces, or leave it in strips, whichever you prefer.
• The ham adds a savory, slightly smoky element that balances the richness of the cream sauce. Thicker-cut deli ham holds up better during baking and gives a meatier texture, so opt for that if available.

5. Pour Over the Cream Sauce

• Pour the Dijon cream sauce you prepared in Step 2 evenly over the chicken and ham layers.
• Use the back of a spoon or a spatula to gently spread it all the way to the edges of the dish so the entire filling is well coated.
• This sauce is what ties the whole casserole together, so make sure it covers everything evenly.

6. Add the Swiss Cheese

• Sprinkle 1 cup (about 115 g) of the shredded Swiss cheese evenly over the sauce layer.
• Reserve the remaining 1/2 cup of cheese for later in the baking process if you want extra melty cheese on top, or add it all at once now.
• Swiss cheese melts beautifully and has a slightly nutty, mild flavor that complements the Dijon and ham without overpowering them. It’s the classic choice for Chicken Cordon Bleu for exactly this reason.

7. Prepare and Add the Breadcrumb Topping

• In a small bowl, combine the panko breadcrumbs and the melted butter.
• Stir until all the breadcrumbs are evenly coated with the butter. This step is important. Dry, uncoated breadcrumbs can end up pale and powdery after baking, while butter-coated panko turns golden, crispy, and deeply satisfying.
• Sprinkle the buttered panko mixture evenly over the cheese layer, covering it from edge to edge.

8. Bake the Casserole

• Place the assembled casserole in your preheated 350°F (175°C) oven, uncovered.
• Bake for 35 to 40 minutes, until the breadcrumb topping is golden brown and the sauce is visibly bubbling around the edges of the dish.
• If the topping is browning too quickly before the casserole is heated through, loosely tent the dish with foil for the remaining baking time, then remove the foil for the last 5 minutes to crisp the topping back up.
• If you added any remaining reserved cheese, add it about 10 minutes before the casserole is done so it melts into the crust.

9. Rest and Garnish

• Remove the casserole from the oven and let it rest on the counter for at least 5 minutes before serving. This resting time allows the sauce to settle slightly, making it easier to portion and serve cleanly without everything sliding apart.
• If desired, scatter freshly chopped parsley over the top for a pop of color and a fresh, herby note that lifts the richness of the dish.
• Serve directly from the baking dish, scooped over cooked egg noodles, rice, or on its own with your favorite side.

Read Also: Chicken Cordon Bleu Sauce Recipe

Tips for Success

A few small details make the difference between a good casserole and a great one. Keep these tips in mind for the best result every time.

• Use rotisserie chicken for ease and flavor: Store-bought rotisserie chicken is already well-seasoned and incredibly moist. It shreds easily and cuts your prep time significantly.
• Don’t skip the Dijon: Even if you’re not a mustard fan, Dijon in this quantity doesn’t make the dish taste like mustard. It adds depth and that characteristic Cordon Bleu tang that pulls the whole dish together.
• Go for thicker-cut ham: Thin deli slices can almost dissolve into the casserole. Thicker-cut ham holds its texture through baking and gives you more satisfying, meaty bites.
• Butter the breadcrumbs generously: Every breadcrumb should be coated in melted butter before it goes on top. This is what gives you that irresistible golden crust rather than a dry, pale topping.
• Let it rest before serving: Five minutes of resting time after the oven makes the casserole much easier to serve neatly.
• Check for doneness with a thermometer: If using raw chicken, make sure it reaches an internal temperature of 165°F (74°C) before removing from the oven.

Another favorite to add to your weeknight rotation: Slow Cooker Chicken Enchilada Casserole

Serving Suggestions

This casserole is hearty enough to stand on its own as a complete meal, but it also pairs beautifully with a variety of simple sides that round out the plate without competing with the rich, creamy filling.

Pairing it with lighter, fresh sides helps balance the richness of the Dijon cream sauce and creates a well-rounded dinner spread.

Here are some of our favorite ways to serve it:

• Egg noodles or white rice: The classic base for serving this casserole. Both soak up the sauce beautifully and help the dish stretch a little further for larger families.
• Green Beans: Simple steamed or sauteed green beans provide a fresh, crisp contrast to the creamy casserole.
• Roasted Broccoli: The slightly charred, caramelized edges of roasted broccoli pair wonderfully with the Dijon cream sauce.
• Roasted Potatoes: Crispy roasted potatoes on the side make this a truly filling, satisfying dinner.
• Broccoli Salad: A cool, crunchy salad on the side is a refreshing counterpoint to the warm, creamy casserole.
• Dinner Rolls: Soft, buttery rolls are perfect for mopping up every last bit of that Dijon cream sauce.

Variations to Try

The classic version of this casserole is hard to beat, but it’s also a wonderfully forgiving base recipe that welcomes experimentation. Here are some fun ways to change things up.

• Add vegetables: Stir in a cup of blanched broccoli florets, sliced mushrooms, or even frozen peas before baking for extra color and nutrition.
• Try a different cheese: Gruyere is a slightly more complex alternative to Swiss and melts just as beautifully. Provolone, mozzarella, or a mix of cheddar and Swiss also work well.
• Use turkey instead of ham: Smoked turkey breast makes a great substitute if you want a slightly leaner version or don’t eat pork.
• Add a pasta base: Stir cooked egg noodles or elbow macaroni into the filling before baking to make it an all-in-one pasta casserole.
• Make it crispier: Add a thin layer of crushed Ritz crackers on top of or underneath the panko for an even richer, buttery crunch.
• Spice it up: A pinch of cayenne pepper or a tablespoon of hot sauce stirred into the cream sauce adds a subtle heat that balances the richness nicely.

For another comforting baked chicken dinner, try the Slow Cooker Cowboy Casserole.

Storage and Reheating

This casserole stores exceptionally well, making it ideal for meal prep or enjoying as leftovers throughout the week.

• Refrigerator: Store leftovers in an airtight container or cover the baking dish tightly with plastic wrap or foil. It keeps well in the fridge for up to 4 days.
• Freezer: You can freeze both baked and unbaked versions for up to 3 months. Wrap tightly in plastic wrap and then foil to prevent freezer burn.
• Thawing: Thaw a frozen casserole overnight in the refrigerator before reheating. Do not attempt to bake from frozen as this will result in uneven heating.
• Reheating in the oven: Cover the dish with foil and bake at 350°F (175°C) for 15 to 20 minutes, or until heated through. Remove the foil for the last 5 minutes to crisp the topping back up.
• Reheating individual portions: Individual servings reheat well in the microwave in 60 to 90 second intervals, stirring between each, until hot throughout.
• Make ahead: Assemble the entire casserole (without the breadcrumb topping) the day before, cover, and refrigerate. Add the topping right before baking for the crispiest result.

Read Also: Slow Cooker Beef Enchilada Casserole

Nutritional Facts

Per serving (based on 6 servings). Values are approximate and will vary based on specific ingredients used.

Note: Nutritional values will vary depending on the specific brands of cream of chicken soup, sour cream, ham, and cheese used. Using reduced-fat sour cream and low-sodium cream of chicken soup will lower the overall calorie and sodium counts.

You might also enjoy: Chicken Casserole

Health Benefits of Key Ingredients

This casserole is rich, satisfying comfort food, but several of its core ingredients also bring some solid nutritional value to the table.

Enjoying it as part of a balanced diet, alongside plenty of vegetables and whole grains, means you can savor it without guilt.

Here’s a closer look at what some of the key ingredients bring to the table:

• Chicken breast: An excellent source of lean protein, chicken supports muscle maintenance and repair. It’s also relatively low in fat, particularly saturated fat, compared to other protein sources.
• Ham: Provides a good hit of protein along with B vitamins, particularly thiamine and niacin, which support energy metabolism. Opt for low-sodium deli ham to manage sodium intake.
• Swiss cheese: Rich in calcium and phosphorus, Swiss cheese supports bone health. It also contains vitamin B12, which is important for nerve function and red blood cell production.
• Dijon mustard: Mustard seeds contain glucosinolates, compounds that have been studied for their antioxidant properties. Dijon also adds significant flavor for virtually zero calories.
• Eggs (used in some versions): A great source of complete protein and choline, which supports brain health and liver function.

This pasta bake is another great option if you enjoy hearty, cheesy dinners: Cauliflower Alfredo Bake

Frequently Asked Questions

1. Can I use raw chicken instead of pre-cooked?

Yes, you can use raw chicken in this casserole. Lay the raw chicken breasts flat in the bottom of the baking dish before adding the other layers.

You will need to increase the baking time to 50 to 55 minutes at 350°F (175°C). Always use an instant-read thermometer to confirm the chicken has reached an internal temperature of 165°F (74°C) before serving.

2. What’s the best cheese to use for Chicken Cordon Bleu Casserole?

Swiss cheese is the traditional and most popular choice because it melts beautifully and has a mild, slightly nutty flavor that complements the ham and Dijon without being too sharp.

Gruyere is a wonderful step-up alternative with a more complex, slightly earthy flavor. Provolone works well for a milder result, and mozzarella gives you that satisfying pull if you want extra stretchiness.

3. Can I make this casserole ahead of time?

Absolutely. Assemble the entire casserole, cover it tightly with plastic wrap or foil, and refrigerate it for up to 24 hours before baking.

For best results, hold off on adding the breadcrumb topping until you are ready to bake. This prevents the panko from absorbing moisture and losing its crispness during refrigeration. Add the buttered topping just before the dish goes into the oven.

4. Can I freeze Chicken Cordon Bleu Casserole?

Yes, this casserole freezes very well both before and after baking. Wrap the dish tightly in plastic wrap followed by aluminum foil before freezing.

It will keep in the freezer for up to three months. To bake from frozen, thaw the casserole overnight in the refrigerator, then bake according to the recipe instructions. If reheating a baked and frozen casserole, cover with foil and heat at 350°F for 20 to 25 minutes or until hot throughout.

5. What can I serve with Chicken Cordon Bleu Casserole?

This casserole pairs well with a wide variety of sides. Egg noodles or white rice are the most common bases since both soak up the creamy Dijon sauce beautifully.

Lighter sides like steamed or roasted green beans, broccoli, or asparagus provide a fresh, crisp contrast to the rich filling. A simple green salad or crusty bread also round out the meal nicely. For something more substantial, scalloped potatoes or mashed potatoes work wonderfully alongside this casserole.

You might also enjoy: Queso Chicken and Rice

Final Thoughts

This Chicken Cordon Bleu Casserole is proof that the best weeknight dinners don’t have to be complicated.

All the elegance and flavor of the French classic, simplified into a layered casserole that practically makes itself.

It’s the kind of recipe that earns a permanent spot in your dinner rotation because it consistently delivers, from the first time you make it to the tenth.

Give it a try this week and see how quickly it disappears. Drop a comment below to let me know how it turned out for you, or share a photo on social media. I’d love to see your version of this cozy, cheesy, crowd-pleasing dish!

Recommended:

• Chicken Cordon Bleu Recipe
• Stuffed Chicken Marsala Recipe
• Spinach Stuffed Chicken Breast Recipe
• Baked Honey Mustard Chicken
• Chicken Broccoli Rice Casserole
• Green Bean Casserole
• Tuna Noodle Casserole
• Corn Casserole
• Sweet Potato Casserole
• Enchilada Casserole