This Chicken Cordon Bleu Casserole is a spin on the classic French version, made into a casserole. It is a delicious combination of rotisserie chicken and diced ham covered with Swiss cheese and homemade creamy sauce, topped with buttered breadcrumbs. Serve with a salad like my pear salad or steamed or roasted veggies like roasted carrots for a great meal.

chicken cordon bleu casserole on plate

What is Chicken Cordon Bleu?

“Cordon Bleu” refers to chicken stuffed with ham and Swiss cheese. Traditionally, breaded chicken breast is stuffed with ham and Swiss cheese and baked. With this recipe, I have deconstructed the classic version and made it into a casserole. It’s comforting, tasty and a crowd pleasing dinner.

How to Make Chicken Cordon Bleu Casserole

This casserole is easy to assemble and ready in no time. Perfect for a busy night! For full recipe details, see the printable recipe card down below.

Preheat + Prep

Preheat oven. Spray a 9×13 baking dish with nonstick cooking spray. Add chicken to the bottom of the pan. Top with ham and then slices of swiss cheese. Set aside.

Make the Casserole Sauce

In a small pot, melt butter over medium heat. Sprinkle in flour and whisk to create a paste. Slowly whisk in chicken broth to avoid lumps. Bring to boil to thicken, then reduce to simmer. Stir in milk and seasonings. Taste and adjust seasonings. Remove from heat and pour over chicken, ham and cheese.

Make the Buttered Bread Crumbs

In a small nonstick skillet, melt butter. Sprinkle in breadcrumbs and seasoning salt. Stir to coat in butter and toast lightly. Remove from heat and sprinkle over the top of the casserole.

Bake + Serve

Cover the casserole with foil and bake until hot and bubbly. Serve by itself or alongside rice and salad.

Can I make this casserole ahead of time?

Absolutely! Follow the directions up until time to bake. At this point, cover the casserole tightly with plastic wrap and store in the fridge for up to 2 days. When ready, bake according to the directions in the recipe card.

How to Store or Freeze leftover Chicken Cordon Bleu Casserole

To Store: Place in an airtight container and store in the fridge for up to 4 days.

To Freeze: Allow casserole to cool completely to room temperature. Place in an airtight, freezer safe container. It will stay fresh for up to 3 months frozen. To reheat, place in a 350 degree oven, frozen for 1 hour or until heated throughout.

chicken cordon bleu casserole in baking dish

Loved this Chicken Cordon Bleu Casserole? Give these recipes a try…

I hope you enjoy this tasty casserole! Below is the printable recipe card. Enjoy, friends! 🙂

chicken cordon blue casserole on plate

Print

Chicken Cordon Bleu Casserole

A spin on the classic, a delicious combination of rotisserie chicken & diced ham covered with Swiss cheese, homemade creamy sauce and topped with buttered breadcrumbs.
Course Casserole, Dinner
Cuisine American, French
Keyword chicken cordon bleu, chicken cordon bleu casserole
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings 6 servings
Calories 459kcal

Equipment

  • 1 9×13 baking dish

Ingredients

  • 1.5 pounds rotisserie chicken skin and bones removed
  • 1/3 pound deli honey ham sliced thin and cut into pieces
  • 8 sliced swiss cheese

For the Sauce

  • 3 tablespoons butter
  • 1/4 cup all purpose flour
  • 1 1/2 cups chicken stock
  • 1/2 cup whole milk or half & half
  • 1/4 teaspoon poultry seasoning
  • 1/2 teaspoon seasoning salt
  • black pepper to taste

For the Breadcrumb Topping

  • 1/3 cup plain breadcrumbs
  • 1 tablespoon butter
  • 1/2 teaspoon seasoning salt

Instructions

  • Preheat oven to 375 degrees F. Spray a 9×13 baking dish with nonstick cooking spray. Add chicken to the bottom of the pan. Top with ham and then slices of swiss cheese. Set aside.

Make the Casserole Sauce

  • In a small pot, melt butter over medium heat. Sprinkle in flour and whisk to create a paste. Slowly whisk in chicken broth to avoid lumps. Bring to boil to thicken, then reduce to simmer. Stir in milk and seasonings. Taste and adjust seasonings. Remove from heat and pour over chicken, ham and cheese.

Make the Buttered Bread Crumbs

  • In a small nonstick skillet, melt butter. Sprinkle in breadcrumbs and seasoning salt. Stir to coat in butter and toast lightly. Remove from heat and sprinkle over the top of the casserole.

Bake

  • Cover the casserole with foil and bake for 25 minutes or until hot and bubbly. Serve by itself or alongside rice and salad.

Nutrition

Calories: 459kcal | Carbohydrates: 13g | Protein: 48g | Fat: 24g | Saturated Fat: 12g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 161mg | Sodium: 1322mg | Potassium: 535mg | Fiber: 1g | Sugar: 3g | Vitamin A: 479IU | Vitamin C: 1mg | Calcium: 237mg | Iron: 2mg

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