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Chicken Cordon Bleu Casserole – Easy Healthier Dinner Recipe Thumbnail

Chicken Cordon Bleu Casserole

This Chicken Cordon Bleu Casserole is a cozy, no-fuss twist on the classic favorite. It delivers all the rich, creamy flavors you love—tender chicken, savory ham, melted Swiss cheese, and a smooth Dijon-infused sauce—without the extra prep work. Everything bakes together in one dish, making it perfect for busy weeknights or relaxed family dinners. The casserole is easy to customize, reheats well, and works just as beautifully for small households as it does for feeding a crowd. Comforting, satisfying, and simple, this recipe quickly earns a spot in your regular dinner rotation.
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Prep Time 15 minutes
Cook Time 28 minutes
Course: Dinner, Main Course, Side Dish
Cuisine: American, European
Ingredients Method Notes

Ingredients
  

  • Ingredients You’ll Need:
  • Casserole Base
  • Cooked chicken – 3 cups chopped or shredded (store-bought rotisserie chicken is a huge time-saver)
  • Cooked ham – 1½ cups diced into small pieces
  • Swiss cheese – 2 cups shredded and divided
  • Cream of chicken soup – 1 can 10.75 oz
  • Sour cream – ½ cup for creaminess and a slight tang
  • Milk – ¼ cup to loosen the sauce
  • Dijon mustard – 1 tablespoon essential for that classic Cordon Bleu flavor
  • Garlic powder – ½ teaspoon
  • Onion powder – ½ teaspoon
  • Salt and black pepper adjusted to taste
  • Optional Crunchy Topping
  • Breadcrumbs – ½ cup plain or seasoned
  • Butter – 2 tablespoons melted

Method
 

1. Heat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish to avoid sticking later.
    2. Grab a large bowl and toss in the chicken, ham, and about 1½ cups of the Swiss cheese. Mix until evenly combined.
      3. In another bowl, whisk together the soup, sour cream, milk, Dijon mustard, garlic powder, onion powder, salt, and pepper. Keep whisking until the sauce is smooth and creamy.
        4. Pour the sauce over the chicken mixture and gently stir until everything is coated.
          5. Transfer the mixture into the prepared baking dish and spread it out evenly.
            6. Sprinkle the remaining ½ cup Swiss cheese across the top.
              7. For a crispy finish, mix the breadcrumbs with melted butter and scatter evenly over the cheese.
                8. Bake uncovered for 25–30 minutes, until the casserole is hot, bubbly, and lightly golden on top.
                  9. Let it rest for a few minutes before serving so it sets nicely.

                    Notes

                    Helpful Tips for Best Results

                    • Quality matters—good Swiss cheese and flavorful ham make a noticeable difference.
                    • Pull it from the oven once bubbly; overbaking dries it out.
                    • If the top browns too fast, loosely cover with foil.
                    • Letting it cool slightly makes slicing much easier.
                    • Short on time? Pre-cooked chicken and pre-shredded cheese are lifesavers.
                    • Want deeper flavor? Swap Swiss for Gruyère.

                    Easy Customization Ideas

                    Casseroles are made to be flexible—feel free to make it your own.
                    • Stir in veggies like mushrooms, broccoli, or asparagus
                    • Try provolone, mozzarella, or Gruyère instead of Swiss
                    • Add extra richness with a mushroom or béchamel-style sauce
                    • Turn up the heat with chili flakes or hot sauce
                    • Swap meats—turkey or pork work well
                    • Bulk it up with cooked pasta or rice

                    What to Serve With It

                    This dish is hearty on its own, but sides never hurt.
                    • Fresh green salad with vinaigrette
                    • Steamed veggies like green beans or broccoli
                    • Garlic bread or dinner rolls
                    • Creamy mashed potatoes for extra comfort

                    Why You’ll Love This Recipe

                    This Chicken Cordon Bleu Casserole checks all the boxes: easy, comforting, and incredibly satisfying. It’s ideal for busy nights, casual gatherings, or using up leftover chicken and ham without feeling boring.

                    FAQs

                    Can I make this ahead of time?
                     Absolutely. Assemble it up to 24 hours in advance, refrigerate, and add a few extra minutes to baking.
                    What variations work best?
                     Vegetables, different cheeses, extra sauce, or spice—this recipe is super adaptable.
                    What type of chicken should I use?
                     Any cooked chicken works, but rotisserie chicken is the quickest option.
                    How long do leftovers keep?
                     Store in the fridge for up to 3 days and reheat in the oven or microwave.