Chicken Cordon Bleu Casserole
This Chicken Cordon Bleu Casserole is a creamy, cheesy twist on the classic French-inspired dish. Made with tender shredded chicken, savory smoked turkey, Swiss cheese, and a rich homemade Dijon cream sauce, then topped with buttery golden panko breadcrumbs, this easy casserole delivers all the comforting flavors of traditional Chicken Cordon Bleu—without the rolling or breading. It’s perfect for family dinners, holidays, or meal prep.
Why Everyone Loves This Recipe
- All the classic Chicken Cordon Bleu flavors in an easy casserole.
- Creamy homemade Dijon cheese sauce.
- Crispy buttery panko topping.
- Great for using leftover or rotisserie chicken.
- Perfect make-ahead family dinner.
- Rich, comforting, and freezer-friendly.
Ingredients Overview
- Cooked Shredded Chicken – The hearty protein base of the casserole.
- Deli-Style Turkey Ham or Smoked Turkey – Adds savory, smoky flavor while keeping the recipe pork-free.
- Swiss Cheese – Melts beautifully and provides the signature Chicken Cordon Bleu flavor.
- Unsalted Butter – Used for both the creamy sauce and crispy topping.
- Dijon Mustard – Adds tangy depth to the sauce.
- Fresh Lemon Juice – Brightens the rich flavors (optional).
- Garlic Powder – Adds savory seasoning.
- Salt – Enhances all the flavors.
- Nutmeg – Adds subtle warmth to the cream sauce (optional).
- Cayenne Pepper – Provides a gentle kick (optional).
- All-Purpose Flour – Thickens the homemade cream sauce.
- Whole Milk – Creates a rich, velvety béchamel-style sauce.
- Panko Breadcrumbs – Bake into a crispy, golden topping.
- Fresh Parsley – Optional garnish for freshness and color.
Variations
- Cheesy Version – Add shredded mozzarella or Gruyère to the Swiss cheese layer.
- Broccoli Chicken Cordon Bleu – Add steamed broccoli between the chicken and turkey layers.
- Mushroom Version – Stir sautéed mushrooms into the cream sauce.
- Gluten-Free Option – Use gluten-free flour and gluten-free panko breadcrumbs.
How to Make Chicken Cordon Bleu Casserole
Step 1: Prepare the Oven
Preheat your oven to 350°F (175°C).
Lightly grease a 9×13-inch casserole dish with nonstick cooking spray.
Step 2: Layer the Chicken
Spread the shredded cooked chicken evenly across the bottom of the prepared baking dish.
Step 3: Add the Turkey and Cheese
Arrange the turkey ham or smoked turkey evenly over the chicken.
Top with the Swiss cheese slices to completely cover the turkey layer.
Step 4: Make the Dijon Cream Sauce
In a medium saucepan over medium heat, melt 6 tablespoons butter.
Whisk in:
- Dijon mustard
- Lemon juice (if using)
- Garlic powder
- Salt
- Nutmeg
- Cayenne pepper
Add the flour and whisk until a smooth paste forms.
Gradually pour in the milk while whisking constantly.
Cook for about 4 minutes, stirring frequently, until the sauce becomes smooth and thick.
Step 5: Assemble the Casserole
Pour the warm cream sauce evenly over the casserole layers, spreading gently to cover everything.
Step 6: Prepare the Topping
Mix the panko breadcrumbs with the softened butter until evenly coated.
Sprinkle the breadcrumb mixture over the casserole.
Step 7: Bake
Bake uncovered for 30–40 minutes, or until the casserole is bubbling and the topping is golden brown and crisp.
Step 8: Rest and Serve
Allow the casserole to rest for 5 minutes before serving.
Garnish with chopped fresh parsley if desired.
Pro Tips & Cooking Secrets
- Use freshly shredded rotisserie chicken for the best flavor and texture.
- Whisk the sauce continuously while adding the milk to keep it smooth and lump-free.
- Toast the panko lightly before topping for an even crispier finish.
- Let the casserole rest before serving so the creamy sauce can set.
Serving Suggestions
- Serve with roasted asparagus or green beans.
- Pair with garlic mashed potatoes or buttered noodles.
- Add a fresh Caesar or garden salad.
- Enjoy with warm dinner rolls or crusty bread.
How to Store Chicken Cordon Bleu Casserole
Store leftovers in an airtight container in the refrigerator for up to 4 days.
Reheat individual portions in the microwave or warm the casserole in a 350°F (175°C) oven until heated through.
Freeze the assembled (unbaked) or baked casserole for up to 3 months. Thaw overnight in the refrigerator before baking or reheating.
Chicken Cordon Bleu Casserole FAQs
Can I make this casserole ahead of time?
Yes! Assemble the casserole up to 24 hours ahead, cover, and refrigerate until ready to bake.
Can I substitute the Swiss cheese?
Yes. Gruyère, provolone, or mozzarella are excellent alternatives.
What can I use instead of turkey ham?
Smoked turkey breast is a great pork-free substitute that provides a similar savory flavor.
Can I freeze Chicken Cordon Bleu Casserole?
Absolutely! Freeze for up to 3 months, then thaw overnight in the refrigerator before baking or reheating.
Chicken Cordon Bleu Casserole
Equipment
- 9×13-inch casserole dish
- medium saucepan
- whisk
- mixing bowl
- measuring cups and spoons
Ingredients
- 5 cups shredded cooked chicken
- 9 oz deli-style turkey ham or smoked turkey, cut into strips
- 8 oz Swiss cheese slices
- 6 tbsp unsalted butter
- 1 tbsp Dijon mustard
- 1 tbsp fresh lemon juice (optional)
- 1 tsp garlic powder
- 1/2 tsp salt
- 1/4 tsp ground nutmeg (optional)
- 1/4 tsp cayenne pepper (optional)
- 6 tbsp all-purpose flour
- 3 cups whole milk
- 1 1/2 cups panko breadcrumbs
- 4 tbsp unsalted butter, softened
- chopped parsley (optional garnish)
Instructions
- Preheat the oven to 350°F (175°C) and spray a 9×13-inch casserole dish with nonstick cooking spray.
- Spread the shredded cooked chicken evenly in the prepared baking dish.
- Arrange the turkey ham or smoked turkey over the chicken, then cover evenly with the Swiss cheese slices.
- In a saucepan over medium heat, melt the butter. Whisk in the Dijon mustard, lemon juice (if using), garlic powder, salt, nutmeg, and cayenne pepper.
- Whisk in the flour and cook until a smooth paste forms.
- Slowly whisk in the milk until smooth. Simmer for about 4 minutes, stirring constantly, until the sauce thickens.
- Pour the sauce evenly over the casserole, spreading gently to coat all the layers.
- Mix the panko breadcrumbs with the softened butter and sprinkle evenly over the casserole.
- Bake uncovered for 30–40 minutes, until the casserole is bubbling and the topping is golden brown.
- Let the casserole rest for 5 minutes before serving. Garnish with chopped parsley if desired.
