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Cheesy Chicken Cordon Bleu Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 131 reviews
  • Author: Hannah
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 10 servings 1x
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Description

This Chicken Cordon Bleu Casserole combines tender rotisserie chicken, savory ham, and Swiss cheese layered under a creamy Dijon and garlic sauce, all topped with a crispy seasoned breadcrumb and parmesan crust. Baked to golden perfection, this comforting casserole is perfect for a family dinner or potluck.


Ingredients

Scale

Base:

  • 1 large rotisserie chicken, meat removed and pulled (about 56 cups)
  • 1/2 pound sliced deli-style Black Forest ham, chopped
  • 1/2 pound sliced Swiss cheese

Sauce:

  • 4 tablespoons butter
  • 2 garlic cloves, minced
  • 4 tablespoons flour
  • 3 cups milk
  • 2 tablespoons lemon juice
  • 1 tablespoon Dijon mustard
  • 1 1/2 teaspoons salt
  • 1/2 teaspoon smoked paprika
  • 1/2 teaspoon pepper

Topping:

  • 4 tablespoons melted butter
  • 1 1/4 cups seasoned bread crumbs
  • 1/4 cup Parmesan cheese

Instructions

  1. Preheat and Prepare Dish: Preheat your oven to 350°F (175°C) and lightly spray a 9×13-inch casserole dish with nonstick spray to prevent sticking.
  2. Layer Base Ingredients: Spread the pulled rotisserie chicken evenly in the bottom of the casserole dish, followed by the chopped ham. Top the meats with a layer of sliced Swiss cheese.
  3. Make the Sauce: In a medium saucepan over medium heat, melt the butter. Add minced garlic and stir continuously with a rubber spatula to avoid burning the garlic.
  4. Season the Sauce: Stir in salt, pepper, Dijon mustard, smoked paprika, and lemon juice into the melted butter and garlic mixture.
  5. Thicken the Sauce: Whisk in the flour and cook for about 1 minute to form a roux. Gradually add the milk while whisking continuously to prevent lumps. Increase the heat to high and cook until the sauce thickens and comes to a full boil.
  6. Assemble and Add Sauce: Pour the thickened sauce evenly over the layered chicken, ham, and Swiss cheese in the casserole dish.
  7. Prepare the Topping: In a small bowl, combine the melted butter, seasoned bread crumbs, and Parmesan cheese, mixing until the butter is well incorporated and evenly coats the crumbs.
  8. Add Topping and Bake: Sprinkle the breadcrumb mixture evenly over the sauce layer. Bake uncovered for 45 minutes at 350°F (175°C) until the topping is golden brown and crispy.
  9. Cool Before Serving: Let the casserole cool for 10 minutes before serving to allow the sauce to thicken slightly for the best texture and flavor.

Notes

  • You can substitute any leftover cooked chicken for the rotisserie chicken to save time and reduce waste.
  • Using smoked paprika adds a nice smoky flavor, but you can use regular paprika if unavailable.
  • For a lower-fat version, consider using low-fat milk and reducing the amount of butter in the sauce and topping.
  • To make the topping gluten-free, use gluten-free breadcrumbs instead of seasoned bread crumbs.

Nutrition

  • Serving Size: 1 slice (approx. 1/10 of casserole)
  • Calories: 450
  • Sugar: 5g
  • Sodium: 850mg
  • Fat: 25g
  • Saturated Fat: 13g
  • Unsaturated Fat: 10g
  • Trans Fat: 0.5g
  • Carbohydrates: 25g
  • Fiber: 1g
  • Protein: 35g
  • Cholesterol: 110mg