Chicken cordon bleu casserole

This Chicken Cordon Bleu Casserole combines tender chicken, savory ham, and creamy Swiss cheese with a buttery breadcrumb topping for a comforting dish. It's perfect for family dinners and can be prepared ahead of time for convenience.

08 Feb 2026
Cook time 65 min
Prep time 20 min

Ingredients:

2 tbsp olive oil
1 lb chicken breasts
10 oz ham
10 oz swiss cheese
4 tbsp butter
4 tbsp whole-grain wheat flour
3 cups nonfat milk
2 tbsp lemon juice
1.50 tbsp mustard
1/2 tsp paprika
1/4 tsp black pepper
1/4 cup butter
1.50 cups bread crumbs
1.50 tsp garlic powder
1.50 tsp fresh parsley
1/4 tsp black pepper
Chicken cordon bleu casserole

Chicken cordon bleu casserole is a delicious and comforting dish that combines the classic flavors of chicken, ham, and Swiss cheese with a creamy sauce and a crispy breadcrumb topping. This recipe is perfect for a family dinner or special occasion and can be prepared ahead of time for convenience.

Instructions:

1. Prepare the Oven and Baking Dish:
Preheat your oven to 375°F (190°C). Grease a 9x13-inch (23x33 cm) baking dish with a bit of olive oil or cooking spray.
2. Cook the Chicken:
- Heat 2 tbsp of olive oil in a large skillet over medium heat.
- Add the chicken breasts to the skillet and cook for about 6-8 minutes on each side, or until they are cooked through (internal temperature should reach 165°F/75°C).
- Remove the chicken from the skillet and let it cool. Once cooled, dice the chicken into bite-sized pieces.
3. Make the Sauce:
- In the same skillet, melt 4 tbsp of butter over medium heat.
- Add the whole-grain wheat flour and cook, whisking constantly, for about 1-2 minutes, until the mixture turns golden brown.
- Gradually whisk in the nonfat milk, making sure to eliminate any lumps.
- Continue to cook the sauce, whisking constantly, until it thickens, about 5-7 minutes.
- Stir in the lemon juice, mustard, paprika, and 1/4 tsp black pepper. Remove the skillet from the heat.
4. Assemble the Casserole:
- Spread half of the diced chicken evenly in the prepared baking dish.
- Layer half of the diced ham on top of the chicken.
- Sprinkle half of the shredded Swiss cheese over the ham.
- Pour half of the sauce evenly over the cheese.
- Repeat layers with the remaining chicken, ham, and cheese.
- Pour the remaining sauce evenly over the top.
5. Prepare the Topping:
- In a medium bowl, melt the remaining 1/4 cup of butter.
- Stir in the bread crumbs, garlic powder, fresh parsley, and the remaining 1/4 tsp black pepper until the mixture is well combined.
6. Top the Casserole:
- Evenly spread the bread crumb mixture over the top of the casserole.
7. Bake:
- Bake in the preheated oven for about 25-30 minutes, or until the casserole is bubbly and the topping is golden brown.
8. Serve:
- Remove the casserole from the oven and let it cool for a few minutes before serving.
- Garnish with additional fresh parsley if desired.

Once the Chicken cordon bleu casserole is baked to perfection, let it cool slightly before serving. This dish pairs wonderfully with a fresh salad or steamed vegetables. Enjoy the rich and savory flavors of this comforting casserole with your loved ones!

Chicken cordon bleu casserole FAQ:

What is the best way to store leftover Chicken Cordon Bleu Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3-4 days. For longer storage, you can freeze it for up to 2 months. Thaw in the refrigerator before reheating.

How can I tell when the chicken is fully cooked?

The chicken is done when its internal temperature reaches 165°F (75°C). You can use a meat thermometer to check the temperature at the thickest part of the chicken.

What size pan should I use for this casserole?

This recipe is designed for a 9x13-inch (23x33 cm) baking dish, which provides enough space for layering the ingredients and allows for even baking.

Can I substitute other types of cheese for Swiss cheese?

Yes, you can use other cheeses like mozzarella, gouda, or cheddar, but be aware that the flavor and texture of the casserole may change slightly.

How do I ensure the breadcrumb topping is crispy?

To achieve a crispy topping, make sure to melt the butter and mix it well with the breadcrumbs before spreading. Baking at the recommended temperature of 375°F (190°C) will also help create a crunchy texture.

Tips:

- For a healthier option, you can use low-fat cheese and skip the ham.

- To save time, you can use pre-cooked chicken breasts or rotisserie chicken.

- Make sure to whisk the sauce continuously to prevent lumps from forming.

- If you prefer a more golden and crispy topping, broil the casserole for the last few minutes of baking.

- Feel free to add more spices and herbs to the breadcrumb mixture for extra flavor.

- The casserole can be assembled a day in advance. Just cover and refrigerate it, then bake when ready to serve.

Nutrition per serving

8 Servings
Calories 500kcal
Protein 36g
Carbohydrates 24g
Fiber 1.58g
Sugar 6g
Fat 33g

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