Name: Chicken Cordon Bleu Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Ingredients: 3 cups cooked, shredded chicken; 1 1/2 cups diced ham; 1 1/2 cups shredded Swiss cheese; 1/2 cup grated Parmesan cheese; 1 1/2 cups heavy cream; 3 tbsp butter; 1 tbsp Dijon mustard; 1/2 tsp garlic powder; 1/2 tsp paprika; Salt and black pepper to taste; 1 cup panko breadcrumbs; 2 tbsp melted butter; 1 tbsp chopped parsley (for garnish)

There’s something deeply comforting about a warm, creamy casserole fresh from the oven. Chicken Cordon Bleu Casserole is a delicious twist on the classic dish, combining tender chicken, savory ham, and gooey melted cheese, all topped with a golden, buttery breadcrumb crust. It delivers all the beloved flavors of Chicken Cordon Bleu in an easy-to-make, family-friendly meal.

I love how this dish transforms a fancy, restaurant-style meal into a cozy, one-pan bake that’s perfect for busy weeknights. The creamy sauce ties everything together, while the crispy topping adds the perfect crunch. Whether you’re cooking for a crowd or just looking for a comforting dinner idea, this casserole is sure to become a favorite at your table.

Why You’ll Love This Chicken Cordon Bleu Casserole

All the classic flavors, zero hassle – No need to roll or bread chicken; just layer and bake!
Creamy, cheesy goodness – A rich, homemade sauce makes this casserole extra indulgent.
Family-friendly – Kids and adults alike will love the comforting flavors.
Great for meal prep – It reheats beautifully, making it perfect for leftovers.
Crowd-pleaser – A fantastic dish for potlucks, family gatherings, or a cozy Sunday dinner.

What Kind of Cheese Should I Use?

The cheese is one of the most important parts of Chicken Cordon Bleu Casserole, giving it that creamy, gooey texture and rich flavor. Traditionally, Swiss cheese is used in classic Chicken Cordon Bleu because of its nutty, slightly tangy taste, which pairs beautifully with ham and chicken. However, if you’re not a fan of Swiss, you can easily swap it out for another melty cheese like Gruyère, mozzarella, or even cheddar for a sharper bite. The key is choosing a cheese that melts well and complements the savory ham and creamy sauce.

Options for Substitutions

This casserole is easy to customize based on what you have on hand or dietary preferences. Here are some simple substitutions:

Chicken – Use rotisserie chicken for convenience, or swap in turkey for a slightly different flavor.
Ham – Leftover holiday ham works great, or use deli ham if that’s what you have. For a smoky twist, try bacon!
Cheese – If Swiss isn’t your favorite, opt for mozzarella, cheddar, Monterey Jack, or even a mix of cheeses.
Bread crumbs – Panko bread crumbs add extra crunch, but crushed Ritz crackers or even crushed pork rinds (for a low-carb option) work well, too.
Cream sauce – For a lighter version, use Greek yogurt instead of heavy cream, or swap in a store-bought Alfredo sauce for convenience.

Ingredients for This Chicken Cordon Bleu Casserole

Every ingredient in this casserole plays an important role in bringing together the creamy, cheesy, and crispy textures that make it so irresistible. Here’s what you’ll need:

Chicken – The heart of the dish. Cooked and shredded chicken makes this casserole easy to assemble. Rotisserie chicken is a great shortcut.
Ham – Adds a savory, slightly salty contrast to the creamy cheese sauce. Diced or sliced ham both work well.
Swiss Cheese – The classic choice for Chicken Cordon Bleu, it melts beautifully and gives the casserole its signature flavor.
Parmesan Cheese – Adds depth and extra cheesiness to the sauce and the topping.
Heavy Cream – Creates a rich, velvety sauce that binds all the ingredients together.
Butter – Helps create the smooth, creamy sauce and also crisps up the breadcrumb topping.
Dijon Mustard – Adds a subtle tanginess that enhances the flavors of the ham and cheese.
Garlic Powder – A touch of extra flavor to bring out the savoriness of the dish.
Paprika – Provides a hint of warmth and color to the creamy sauce.
Salt & Black Pepper – Essential for balancing the flavors.
Breadcrumbs – The key to that crispy, golden topping. Panko works best for extra crunch.
Parsley – A fresh garnish to add a pop of color and mild herbal flavor.

Each ingredient works together to make this casserole taste just like the classic Chicken Cordon Bleu but in an easier, more comforting format.

Step 1: Prepare the Chicken and Ham

Start by preheating your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or nonstick spray. Shred or dice your cooked chicken and cut the ham into small bite-sized pieces. Spread the chicken evenly across the bottom of the prepared baking dish, followed by an even layer of ham.

Step 2: Make the Creamy Cheese Sauce

In a saucepan over medium heat, melt the butter. Once melted, whisk in the heavy cream, Dijon mustard, garlic powder, paprika, salt, and black pepper. Let it simmer for a couple of minutes, then stir in the Swiss cheese and half of the Parmesan cheese. Stir continuously until the cheese is fully melted and the sauce is smooth.

Step 3: Assemble the Casserole

Pour the creamy cheese sauce evenly over the chicken and ham, making sure everything is coated. Sprinkle the remaining Parmesan cheese over the top for an extra layer of flavor.

Step 4: Add the Crunchy Topping

In a small bowl, mix the breadcrumbs with melted butter until they’re evenly coated. Sprinkle the buttery breadcrumbs over the casserole to create that crispy, golden crust.

Step 5: Bake to Perfection

Place the casserole in the preheated oven and bake for 25–30 minutes, or until the top is golden brown and the sauce is bubbling around the edges. If you want an extra crispy topping, broil for an additional 2 minutes at the end, but keep a close eye to avoid burning.

How Long to Cook the Chicken Cordon Bleu Casserole

This casserole bakes at 375°F (190°C) for 25–30 minutes until the cheese is melted and bubbly, and the breadcrumb topping is golden brown. If you’re using cold ingredients straight from the fridge, you may need to add a few extra minutes to ensure everything is heated through. For an extra crispy top, broil for 1–2 minutes at the end, but keep a close watch to prevent burning.

Tips for the Perfect Chicken Cordon Bleu Casserole

Use rotisserie chicken for convenience – It saves time and adds extra flavor.
Shred cheese from a block – Pre-shredded cheese contains anti-caking agents that prevent smooth melting.
Don’t skip the Dijon mustard – It enhances the overall flavor without overpowering the dish.
For an extra crispy topping, use panko breadcrumbs – They create a lighter, crunchier texture than regular breadcrumbs.
Let it rest for 5 minutes before serving – This helps the sauce thicken slightly and makes it easier to serve.
Broil at the end for a golden crust – Just 1–2 minutes under the broiler adds the perfect crunch.
Add a little nutmeg to the sauce – A small pinch brings out the richness of the cheese sauce.
Use a mix of cheeses – While Swiss is classic, adding a bit of Gruyère or cheddar can deepen the flavor.

Watch Out for These Mistakes While Cooking

Even though this casserole is easy to make, a few common mistakes can affect the final result. Here’s what to avoid:

Skipping the Dijon mustard – It may seem small, but it adds depth and balances the creamy sauce.
Using pre-shredded cheese – These cheeses don’t melt as smoothly due to added preservatives.
Not letting the casserole rest – Giving it 5 minutes after baking allows the sauce to thicken for a better texture.
Overbaking – Cooking too long can dry out the chicken and make the cheese sauce too thick.
Using plain breadcrumbs – Panko breadcrumbs give a much better crunch than regular ones.
Forgetting to season – Since ham and cheese are salty, it’s important to taste and adjust the seasoning in the sauce.
Skipping the broil step – A quick broil at the end enhances the crispy topping.
Using too much cheese in the sauce – While cheese is delicious, too much can make the sauce overly thick and clumpy.

What to Serve With Chicken Cordon Bleu Casserole?

This creamy, cheesy casserole pairs well with fresh, light sides to balance its richness. Here are eight delicious options:

1. Steamed Green Beans

A simple side of steamed green beans with a little butter and garlic makes a fresh, crisp contrast to the creamy casserole.

2. Roasted Brussels Sprouts

Roasting Brussels sprouts with olive oil and a sprinkle of Parmesan adds a caramelized crunch that pairs beautifully.

3. Garlic Mashed Potatoes

For the ultimate comfort meal, serve this casserole with creamy garlic mashed potatoes. The extra sauce from the casserole acts as a delicious gravy.

4. Caesar Salad

A crisp Caesar salad with romaine, Parmesan, and a tangy dressing cuts through the richness of the dish.

5. Buttered Egg Noodles

Simple buttered egg noodles complement the creamy sauce and make for a hearty meal.

6. Roasted Carrots

Sweet and slightly caramelized, roasted carrots add a touch of natural sweetness that balances the savory casserole.

7. Crusty Garlic Bread

A slice of warm, crispy garlic bread is perfect for soaking up every bit of the cheesy sauce.

8. Sautéed Spinach

A quick sauté of spinach with olive oil and garlic adds a light, nutritious side that doesn’t overpower the main dish.

Storage Instructions

This Chicken Cordon Bleu Casserole stores well, making it perfect for meal prep or leftovers. Here’s how to keep it fresh:

Refrigerator – Store leftovers in an airtight container for up to 4 days. Reheat in the oven or microwave before serving.
Freezer – You can freeze the casserole before or after baking. Wrap it tightly with plastic wrap and aluminum foil, then freeze for up to 3 months.
Reheating – If frozen, thaw in the fridge overnight before baking. Reheat in a 350°F (175°C) oven for 15–20 minutes, or until warmed through. For a crispy topping, broil for the last 2 minutes.

Estimated Nutrition

Here’s an approximate nutritional breakdown per serving (based on six servings):

Calories: 450–500 kcal
Protein: 35g
Carbohydrates: 18g
Fat: 28g
Saturated Fat: 14g
Fiber: 1g
Sugar: 2g
Sodium: 900mg (varies based on ham and cheese selection)

Note: These values may vary based on ingredient brands and portion sizes.

Frequently Asked Questions

1. Can I make this casserole ahead of time?

Yes! Assemble the casserole, cover it tightly, and store it in the fridge for up to 24 hours before baking. When ready, bake as directed, adding a few extra minutes if it’s cold from the fridge.

2. Can I use deli-sliced ham instead of diced ham?

Absolutely! You can layer thinly sliced ham between the chicken and cheese for a slightly different texture. Just make sure to cut it into bite-sized pieces for easier serving.

3. What can I use instead of Swiss cheese?

If you’re not a fan of Swiss, try Gruyère, mozzarella, Monterey Jack, or cheddar. Each will give a different flavor but still melt beautifully into the sauce.

4. How do I make this casserole low-carb?

To make a keto-friendly version, replace the breadcrumbs with crushed pork rinds or almond flour mixed with Parmesan for a crunchy topping.

5. Can I add pasta to this casserole?

Yes! If you want a heartier dish, mix in cooked pasta (like penne or rotini) before baking. Just increase the sauce slightly to keep it creamy.

6. How do I prevent the casserole from becoming watery?

Watery casseroles usually happen if the ham releases too much moisture. To avoid this, pat the ham dry with a paper towel before adding it. Also, avoid overbaking, as this can cause separation in the sauce.

7. Can I make this in a slow cooker?

Yes! Layer the ingredients in a slow cooker and cook on low for 3–4 hours. Add the breadcrumb topping at the end and broil separately for a crispy finish.

8. What’s the best way to reheat this casserole?

For best results, reheat in a 350°F (175°C) oven for 15–20 minutes. If using the microwave, heat in short intervals to avoid drying out the sauce.

Conclusion

This Chicken Cordon Bleu Casserole is the perfect balance of creamy, cheesy, and crispy textures, making it an easy go-to comfort meal. Whether you’re cooking for a busy weeknight or preparing a crowd-pleasing dish, this casserole is sure to be a hit. Save this recipe on Pinterest and share it with friends and family—they’ll love it as much as you do!