Chicken Cordon Bleu Casserole
Looking for a cozy and delicious meal? Chicken cordon bleu casserole is the perfect dish that brings together all the classic flavors of the beloved chicken cordon bleu into one satisfying casserole. This dish features layers of juicy chicken, savory ham, and gooey cheese, all enveloped in a creamy sauce. It’s an ideal choice for family dinners or gatherings, and it’s sure to impress everyone at the table.
Ingredients

Servings and Cooking Time
This recipe serves 6 people. Preparation time is 20 minutes, and cooking time is 45 minutes.
Nutritional Value
The nutritional value per serving (1/6 of the casserole) includes approximately 450 calories, 25g of protein, 30g of fat, and 15g of carbohydrates.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C).
- Grease a 9×13 inch baking dish with butter or cooking spray.
- Cook 2 cups of diced chicken breast in a skillet over medium heat until no longer pink.
- Add 1 cup of diced ham to the skillet and cook for another 2-3 minutes.
- In a large bowl, combine 1 cup of shredded Swiss cheese and 1 cup of shredded mozzarella cheese.
- In a separate bowl, mix 1 cup of sour cream, 1/2 cup of mayonnaise, and 1 tablespoon of Dijon mustard.
- Layer half of the chicken and ham mixture in the bottom of the baking dish.
- Spread half of the cheese mixture over the chicken and ham.
- Repeat the layers with the remaining chicken and ham, followed by the cheese mixture.
- Top with breadcrumbs mixed with melted butter for extra crunch.
- Bake for 45 minutes until golden and bubbly.

Alternative Ingredients
If you’re looking for alternatives, you can use turkey instead of chicken, or try different cheeses like cheddar or gouda. You can also substitute Greek yogurt for sour cream for a healthier option.
Serving and Pairings
This dish pairs wonderfully with a fresh green salad or steamed vegetables. You can also serve it with rice or crusty bread to soak up the creamy sauce.
Storage and Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the oven at 350°F (175°C) until warmed through. This casserole can also be frozen before baking for up to 2 months.
Cooking Mistakes
- Overcooking the chicken can make it dry.
- Using too much sauce can lead to a soggy casserole.
- Not greasing the dish properly can cause sticking.
- Skipping the breadcrumb topping can result in a less crispy texture.
- Not letting it cool for a few minutes before serving can make serving difficult.
Helpful Tips
- Use rotisserie chicken for a quicker prep time.
- Let the casserole sit for 10 minutes after baking for better slicing.
- Experiment with different meats like bacon or sausage.
- For a spicy kick, add some chopped jalapeños.

FAQs
Can I prepare this casserole ahead of time?
Yes, you can prepare it a day in advance. Assemble the casserole and cover it in the refrigerator until you’re ready to bake it.
What can I substitute for Swiss cheese?
If you don’t have Swiss cheese, you can use mozzarella, gouda, or even cheddar for a different flavor profile.
Can this dish be made gluten-free?
Absolutely! Use gluten-free breadcrumbs and ensure the other ingredients do not contain gluten.
How do I know when the casserole is done?
The casserole is done when it’s bubbly and the top is golden brown. A food thermometer should read 165°F (74°C) in the center.
Is it safe to freeze leftovers?
Yes, leftovers can be frozen. Just make sure to cool it completely before transferring to a freezer-safe container.
Conclusion
Chicken cordon bleu casserole is a comforting and delicious dish that brings the beloved flavors of the classic recipe into a convenient form. Perfect for family dinners or gatherings, this casserole is sure to be a hit with everyone. Enjoy the layers of flavor and the ease of preparation, making it a staple in your recipe collection.

Chicken Cordon Bleu Casserole
Ingredients
- 2 cups cooked chicken diced
- 1 cup diced ham
- 1 cup shredded Swiss cheese
- 1 cup shredded mozzarella cheese
- 1 cup sour cream
- 1/2 cup mayonnaise
- 1 tablespoon Dijon mustard
- 1 cup breadcrumbs
- 2 tablespoons butter melted
- Salt and pepper to taste
Instructions
- Preheat your oven to 350°F (175°C) and grease a baking dish.
- Cook the diced chicken in a skillet over medium heat until no longer pink.
- Add diced ham to the skillet and cook for an additional 2-3 minutes.
- In a large bowl, combine shredded Swiss and mozzarella cheeses.
- In another bowl, mix sour cream, mayonnaise, and Dijon mustard.
- Layer half of the chicken and ham mixture in the baking dish.
- Spread half of the cheese mixture over the chicken and ham.
- Repeat the layers with the remaining chicken, ham, and cheese mixture.
- Top with breadcrumbs mixed with melted butter.
- Bake for 45 minutes until golden and bubbly.