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Overhead view of a golden-brown Chicken Cordon Bleu Casserole, ready to be served.

Perfect Chicken Cordon Bleu Casserole

This Chicken Cordon Bleu Casserole transforms a classic dish into a comforting and easy-to-make meal. It combines tender chicken, savory ham, and creamy Swiss cheese under a crisp, buttery cracker topping for a satisfying family dinner.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6
Course: Main Course
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • 4 cups cooked chicken, diced
  • 8 oz cooked ham, diced
  • 8 oz Swiss cheese, shredded
  • 1/2 cup mayonnaise
  • 1/4 cup milk
  • 1 teaspoon Dijon mustard
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon black pepper
  • 1 1/2 cups crushed buttery crackers such as Ritz
  • 6 tablespoons butter, melted

Equipment

  • 9x13-inch baking dish
  • Large bowl
  • small bowl
  • whisk
  • Measuring cups
  • Measuring spoons
  • Oven

Method
 

  1. Preheat oven to 350°F (175°C). Grease a 9x13 inch baking dish.
  2. In a large bowl, combine cooked chicken, ham, and Swiss cheese.
  3. In a separate bowl, whisk together cream of chicken soup, mayonnaise, milk, Dijon mustard, garlic powder, and black pepper.
  4. Pour the soup mixture over the chicken mixture and stir until well combined.
  5. Pour the mixture into the prepared baking dish.
  6. In a small bowl, combine crushed buttery crackers and melted butter. Sprinkle evenly over the casserole.
  7. Bake for 25-30 minutes, or until golden brown and bubbly.
  8. Let stand for 5-10 minutes before serving.

Notes

For best results, use freshly cooked or very thoroughly drained chicken to prevent a soggy casserole. Freshly shredded Swiss cheese melts better than pre-shredded. Consider adding a touch of Gruyere or Fontina cheese for extra flavor. To store leftovers, cover and refrigerate for up to 3 days. Reheat in the oven or microwave until heated through.