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A hand holding a serving spoon lifting a portion of chicken cordon bleu casserole, revealing layers of chicken, ham, and melted cheese topped with a golden-brown breadcrumb crust.
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5 from 4 votes

Chicken Cordon Bleu Casserole

This Chicken Cordon Bleu Casserole is an easy-to-make dish that combines tender chicken, ham, broccoli, and Swiss cheese in a creamy sauce, topped with a crispy breadcrumb crust. 
Prep Time15 minutes
Cook Time30 minutes
Course: Casserole recipes
Cuisine: French
Keyword: chicken cordon bleu, chicken cordon bleu casserole, chicken cordon bleu sauce
Servings: 6
Author: Tatiana

Ingredients

Dijon Cream Sauce

  • 3 tablespoons unsalted butter
  • 2 cloves garlic, grated or minced
  • 3 tablespoons flour
  • 1/2 cup chicken broth
  • 1 1/2 cups milk skim or full cream
  • 1 tablespoon Dijon mustard
  • 1 teaspoon chicken or vegetable stock/Bouillon powder
  • 1/4 cup parmesan cheese fresh grated
  • salt and pepper to taste
  • 2 tablespoons fresh parsley optional, for garnish

Casserole

  • 2 cups fresh broccoli florets uncooked
  • 4 cups cooked or rotisserie chicken shredded or diced
  • 2 cups diced ham
  • 2 cups Swiss cheese shredded
  • 1/4 cup Parmesan cheese fresh grated

Casserole Topping

Instructions

Make The Dijon Cream Sauce

  • Melt 3 tablespoons unsalted butter over medium heat in a small saucepan.
  • Add 2 cloves garlic, grated or minced and cook until fragrant, about 30 seconds.
  • Reduce heat down to low, whisk in 3 tablespoons flour and cook for 1 minute.
  • Gradually pour in 1/2 cup chicken broth and 1 1/2 cups milk, continuously whisking, until the mixture becomes smooth.
  • Add 1 tablespoon Dijon mustard, 1 teaspoon chicken or vegetable stock/Bouillon powder, and 1/4 cup parmesan cheese into the mixture. Cook for 2-3 minutes, consistently whisking, until it thickens.  If necessary, add extra milk in small amounts of 1-2 tablespoons at a time to achieve your preferred consistency. Finally, season with salt and pepper to your taste.
  • Add 2 tablespoons fresh parsley, if desired.

Casserole

  • While making the sauce, heat a medium-sized pot of water with a generous amount of salt until it boils. Add 2 cups fresh broccoli florets to the boiling water and cook them for 2 to 3 minutes until crisp yet tender.
  • Preheat oven to 400 degrees.
  • Place 4 cups cooked or rotisserie chicken at the bottom of the casserole dish, and then layer the broccoli and 2 cups diced ham on top of the chicken. Evenly distribute the sauce over the chicken, broccoli and ham. Finish by topping it with both 2 cups Swiss cheese and 1/4 cup Parmesan cheese.
  • Mix 1 cup Panko breadcrumbs with 2 tablespoons melted butter in a small bowl. Then, evenly sprinkle this breadcrumb mixture over the top of the casserole.
  • Place the casserole dish in the preheated oven and bake for 30 minutes, or until the top is golden and the dish is bubbling.

Video

Notes

  • Grease your pan to stop the casserole from sticking and burning.
  • Use unsalted butter because other ingredients like cheese, ham, and mustard are already salty.
  • When you mix chicken broth and milk with flour, whisk it well to make it smooth and keep whisking while cooking to avoid lumps.
  • Store in the fridge for up to 4 days or freeze it for 3 months.
  • Reheat it in the microwave for 4 minutes or in the oven at 350°F for 12 minutes. If it's frozen, heat it in the oven for 25-30 minutes.

Nutrition

Calories: 585kcal | Carbohydrates: 14g | Protein: 50g | Fat: 35g | Saturated Fat: 16g | Cholesterol: 157mg | Sodium: 1097mg | Fiber: 1g | Sugar: 2g