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Chicken Cordon Bleu Casserole

A cozy and cheesy casserole that combines chicken, ham, and Swiss cheese, topped with a crispy crumb finish.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American, Comfort Food
Calories: 400
Ingredients Method Notes

Ingredients
  

Main ingredients
  • 3 cups cooked chopped chicken breast or thighs Rotisserie chicken can be used for speed.
  • 1.5 cups diced ham Drain well if packaged.
  • 6 to 8 slices Swiss cheese or 2 cups shredded Swiss cheese Gruyere can also be used.
Creamy sauce ingredients
  • 4 ounces cream cheese Softened.
  • 1 cup milk or half-and-half Use additional if the sauce is too thick.
  • 0.5 cups sour cream or plain Greek yogurt
  • 1 tablespoon Dijon mustard
  • 0.5 teaspoons garlic powder
  • 0.5 teaspoons onion powder
  • 1 to 2 teaspoons lemon juice Optional for brightness.
Topping ingredients
  • 1.5 cups panko crumbs or crushed butter crackers
  • 3 tablespoons melted butter
  • to taste fresh parsley Optional for garnish.
Seasonings
  • Salt and black pepper To taste, optional pinch of paprika.

Method
 

Preparation
  1. Preheat your oven to 375°F and grease a 9x13 baking dish.
  2. In a small saucepan on medium heat, whisk together the cream cheese, milk, sour cream, Dijon mustard, garlic powder, onion powder, salt, and pepper. Stir until smooth and steamy.
  3. Spread the chopped chicken in the greased baking dish, top with diced ham, and layer with Swiss cheese.
  4. Pour the creamy sauce over the layers, ensuring it reaches all corners.
  5. In a bowl, mix the panko crumbs with melted butter and stir in parsley. Sprinkle over the top of the casserole.
Baking
  1. Bake uncovered for about 25 minutes or until the sauce is bubbling and the topping is golden.
  2. If desired, broil for 1-2 minutes at the end for extra crunch.
  3. Let it rest for 5-10 minutes before serving.

Notes

This casserole can be made ahead of time. Assemble without the crumb topping, cover, and refrigerate for up to 24 hours. Add crumbs before baking and extend baking time by 5-10 minutes.