This Chicken Cordon Bleu Casserole takes the best parts of the classic dish and transforms them into a creamy, family-style bake. With layers of juicy chicken, savory ham, tender broccoli, and gooey Swiss cheese, it’s topped with a golden breadcrumb crust and finished in the oven until bubbly and crisp.
There’s no need for stuffing, rolling, or frying. This version simplifies everything into one easy dish that’s loaded with comfort and flavor. It’s perfect for busy weeknights or when you want something warm and satisfying on the table.
Table of Contents
Why You’ll Love This Recipe
This dish checks every box for a reliable and delicious dinner.
It delivers the bold, creamy taste of Chicken Cordon Bleu without the extra work.
There’s no breading or deep-frying involved, making the preparation simple and fast.
The recipe is perfect for feeding a family and makes excellent leftovers for lunch the next day.
Ingredients You’ll Need
Here’s a look at the key ingredients that bring this casserole together.
Unsalted butter (3 tablespoons) – The foundation of the cream sauce, adding richness without extra salt.
Garlic (2 cloves, finely chopped) – Infuses the sauce with a deep, aromatic flavor.
All-purpose flour (3 tablespoons) – Used to thicken the cream sauce and create a smooth texture.
Chicken broth (1/2 cup) – Adds savory depth and keeps the sauce from feeling too heavy.
Milk (1 1/2 cups) – Helps achieve the creamy consistency. Whole or low-fat milk both work well.
Dijon mustard (1 tablespoon) – Brings a subtle tang that defines this classic dish.
Bouillon powder (1 teaspoon) – Enhances the overall flavor with concentrated seasoning.
Grated Parmesan cheese (1/4 cup) – Adds salty, nutty flavor to both the sauce and the topping.
Salt and black pepper – Essential for seasoning the sauce to taste.
Chopped fresh parsley (2 tablespoons, optional) – Adds a touch of color and freshness.
Fresh broccoli florets (2 cups) – Adds color, texture, and nutritional value.
Cooked chicken (4 cups, diced or shredded) – You can use leftover or rotisserie chicken for convenience.
Diced ham (2 cups) – Offers a smoky, savory element that pairs well with the cheese.
Shredded Swiss cheese (2 cups) – Melts beautifully and delivers the signature Cordon Bleu flavor.
Panko breadcrumbs (1 cup) – Provides the crisp topping that contrasts with the creamy filling.
Melted butter (2 tablespoons) – Helps the breadcrumbs toast evenly for a golden finish.
How to Make Chicken Cordon Bleu Casserole
This casserole is assembled in layers. Start with a homemade Dijon cream sauce, blanch the broccoli briefly, then layer everything in a casserole dish. After it’s topped with a buttery breadcrumb mixture, it goes into the oven until golden and bubbling.
Step-by-Step Instructions
Step 1: Cook the Garlic
Melt the butter in a saucepan over medium heat. Stir in the minced garlic and let it cook for about 30 seconds until it becomes fragrant.
Step 2: Create the Base Sauce
Lower the heat, then whisk in the flour. Cook for a full minute to eliminate the raw flour taste.
Step 3: Build the Cream Sauce
Gradually whisk in the chicken broth followed by the milk. Continue stirring to maintain a smooth texture. Add the Dijon mustard, bouillon powder, and Parmesan. Let it cook for another 2 to 3 minutes until the sauce thickens. Season with salt and pepper to taste, then stir in parsley if you’re using it.
Step 4: Prepare the Broccoli
Bring a pot of salted water to a boil. Add the broccoli and cook for 2 to 3 minutes until it turns bright green and slightly tender. Drain and set aside.
Step 5: Assemble the Dish
Preheat your oven to 400°F. Lightly grease a 2-quart casserole dish. Spread the cooked chicken across the bottom. Add the blanched broccoli and the diced ham in an even layer over the chicken.
Step 6: Add the Sauce and Cheese
Pour the warm sauce evenly over the layered ingredients. Sprinkle the Swiss cheese and remaining Parmesan over the top.
Step 7: Mix and Apply Topping
In a small bowl, mix the Panko breadcrumbs with the melted butter. Spread this mixture evenly over the casserole.
Step 8: Bake to Finish
Place the dish in the oven and bake for about 30 minutes. The top should be golden and the filling should be hot and bubbling.
Helpful Tips
Make sure your casserole dish is greased to prevent the ingredients from sticking to the sides.
Whisk the sauce continuously as it cooks to avoid lumps.
Swiss cheese gives the most authentic flavor, but you can use Gruyère or even mozzarella for a variation.
If the topping begins to brown too quickly, loosely tent the dish with foil for the remainder of the baking time.
This casserole is a great way to use up leftover chicken or ham.
Details
Flavor: Creamy and savory with hints of garlic and mustard, balanced by the richness of cheese and ham
Texture: Velvety filling topped with a crisp breadcrumb crust
Occasion: Great for weeknight dinners, gatherings, or meal prepping
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 6
Notes
To change it up, try substituting the broccoli with green beans or zucchini. If you need a gluten-free option, use cornstarch to thicken the sauce and gluten-free breadcrumbs for the topping. For a low-carb variation, skip the breadcrumb layer or replace it with crushed pork rinds or almond flour.
Nutritional Information (Per Serving)
| Nutrient | Amount |
|---|---|
| Calories | 585 kcal |
| Carbohydrates | 14 g |
| Protein | 50 g |
| Fat | 35 g |
| Saturated Fat | 16 g |
| Cholesterol | 157 mg |
| Sodium | 1097 mg |
| Fiber | 1 g |
| Sugar | 2 g |
These values are estimates and may vary based on the specific ingredients you use.
Frequently Asked Questions (FAQ)
Can you prepare this casserole in advance?
Yes. Assemble the dish ahead of time, cover it, and store in the refrigerator for up to one day. Bake it fresh when you’re ready.
What type of cheese works best for this recipe?
Swiss cheese is traditional for Chicken Cordon Bleu, but Gruyère, provolone, or even white cheddar can work depending on your taste preference.
How can I prevent the casserole from drying out?
Make sure to use enough sauce to fully coat the ingredients. Also, don’t overbake it. You can cover it loosely with foil if needed to maintain moisture.
Can I make this casserole without breadcrumbs?
Yes. The topping is optional. You can omit it entirely or use a cheese-based topping or a low-carb substitute.
Storage Instructions
Let the casserole cool completely, then store any leftovers in an airtight container in the fridge for up to 4 days. To reheat, microwave individual portions for about 4 minutes or warm the whole dish in the oven at 350°F for 12 to 15 minutes. If frozen, reheat from frozen at 350°F for 25 to 30 minutes until heated through.
Print
Chicken Cordon Bleu Casserole | Easy, Cheesy Comfort Classic
- Total Time: 45 minutes
- Yield: 6 servings 1x
Description
Creamy Chicken Cordon Bleu Casserole made with juicy chicken, ham, broccoli, Swiss cheese, and a Dijon mustard sauce, all topped with crispy breadcrumbs.
Ingredients
3 tablespoons unsalted butter
2 cloves garlic, minced
3 tablespoons flour
1/2 cup chicken broth
1 1/2 cups milk
1 tablespoon Dijon mustard
1 teaspoon chicken or vegetable bouillon powder
1/4 cup grated Parmesan cheese
Salt and pepper to taste
2 tablespoons chopped parsley (optional)
2 cups fresh broccoli florets
4 cups cooked chicken, diced or shredded
2 cups diced ham
2 cups shredded Swiss cheese
1/4 cup grated Parmesan cheese
1 cup Panko breadcrumbs
2 tablespoons melted butter
Instructions
1. Melt butter in a saucepan and sauté garlic for 30 seconds.
2. Whisk in flour and cook for 1 minute.
3. Slowly add broth and milk while whisking.
4. Add mustard, bouillon, and Parmesan. Cook until thick.
5. Season with salt, pepper, and parsley if desired.
6. Blanch broccoli in boiling salted water for 2–3 minutes.
7. Grease a casserole dish and preheat oven to 400°F.
8. Layer chicken, broccoli, and ham in dish.
9. Pour sauce over and top with Swiss and Parmesan cheese.
10. Mix breadcrumbs with melted butter and sprinkle on top.
11. Bake for 30 minutes or until bubbling and golden.
Notes
You can swap broccoli with green beans or cauliflower.
For gluten-free, use cornstarch and gluten-free breadcrumbs.
This dish can be assembled in advance and baked later.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 585
- Sugar: 2g
- Sodium: 1097mg
- Fat: 35g
- Saturated Fat: 16g
- Carbohydrates: 14g
- Fiber: 1g
- Protein: 50g
- Cholesterol: 157mg
Conclusion
This Chicken Cordon Bleu Casserole turns a classic dish into an easy and flavorful dinner that the whole family can enjoy. With its creamy Dijon sauce, layers of hearty meat and vegetables, and a crispy topping, it’s an all-in-one meal you’ll want to make again and again. Whether you’re cooking ahead or feeding a crowd, this recipe brings satisfaction to the table with minimal effort.