If you love the classic flavors of chicken cordon bleu but want a simpler, family-friendly way to enjoy it, this chicken cordon bleu casserole is your new go-to dish. It combines tender chicken, ham, and Swiss cheese in a creamy sauce, all baked into a bubbly, golden casserole that's sure to satisfy.
Easy to prepare and perfect for busy weeknights or casual gatherings, this chicken cordon bleu casserole brings all the deliciousness of the original without the fuss of rolling chicken breasts. Once you try it, you’ll find yourself making it again and again.
Why You'll Love This Recipe
- Simplifies classic chicken cordon bleu into a one-dish meal.
- Creamy, cheesy sauce with savory ham and tender chicken.
- Perfect for feeding a family or a crowd with minimal effort.
- Can be prepared ahead and baked when ready.
- Comfort food that’s impressive but easy to make.
Ingredients
Gather these ingredients for a rich and flavorful chicken cordon bleu casserole that serves 6.
- 3 cups cooked shredded chicken (rotisserie or poached works great)
- 1 1/2 cups diced cooked ham
- 2 cups shredded Swiss cheese, divided
- 3 tablespoons unsalted butter
- 3 tablespoons all-purpose flour
- 2 cups whole milk
- 1 teaspoon Dijon mustard
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
- 1 cup panko breadcrumbs
- 2 tablespoons grated Parmesan cheese
- 2 tablespoons chopped fresh parsley (plus more for garnish)
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Recipe Details
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Servings: 6
- Calories (approx.): 420 per serving
How to Make Chicken Cordon Bleu Casserole
- Preheat your oven to 375°F and lightly grease a 9x13-inch baking dish.
- In a medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1-2 minutes until lightly golden, stirring constantly.
- Slowly whisk in the milk, Dijon mustard, garlic powder, onion powder, salt, and pepper. Cook, whisking often, until the sauce thickens and coats the back of a spoon—about 5-7 minutes.
- Remove the sauce from heat and stir in 1 1/2 cups of Swiss cheese until melted and smooth. Then fold in the shredded chicken, diced ham, and chopped parsley.
- Pour the mixture into the prepared baking dish and spread evenly. Sprinkle the remaining 1/2 cup of Swiss cheese over the top.
- In a small bowl, combine panko breadcrumbs, grated Parmesan, and a pinch of salt. Sprinkle this mixture evenly over the casserole to create a crispy topping.
- Bake uncovered for 25-30 minutes, until the casserole is bubbly and the topping is golden brown.
- Let the casserole rest for 5 minutes before serving. Garnish with extra fresh parsley for a pop of color and freshness.
Tips for the Best Results
- Use cooked, shredded chicken from a rotisserie or leftover chicken to save time.
- For extra flavor, try adding a teaspoon of dried thyme or tarragon to the sauce.
- Make sure to cook the roux (butter and flour) long enough to avoid a raw flour taste in the sauce.
- Don’t skip the panko and Parmesan topping—it adds a wonderful crunch and flavor contrast.
- Let the casserole rest before serving; this helps it set and makes serving easier.
Storage and Reheating
Store any leftover chicken cordon bleu casserole in an airtight container in the refrigerator for up to 3 days. To freeze, wrap tightly with plastic wrap and aluminum foil and keep for up to 3 months.
When reheating, thaw frozen casserole overnight in the fridge, then bake at 350°F for 20-25 minutes until heated through. Alternatively, microwave individual portions on medium power until warm, stirring halfway through.
Frequently Asked Questions
Can I use a different type of cheese?
Yes, Gruyère or mozzarella can be used instead of Swiss cheese for a different flavor profile. Just be sure to choose a cheese that melts well to maintain the creamy texture.
Is this casserole gluten-free?
This recipe uses all-purpose flour and panko breadcrumbs, so it is not gluten-free as written. To make it gluten-free, substitute with gluten-free flour and gluten-free breadcrumbs.
Can I prepare this casserole ahead of time?
Absolutely! Assemble the casserole up to the breadcrumb topping and refrigerate for up to 24 hours before baking. Add the topping just before baking to keep it crisp.
What can I serve with chicken cordon bleu casserole?
This casserole pairs well with fresh green salads, steamed vegetables like broccoli or asparagus, or a light rice pilaf to balance the richness of the dish.