Holly's Chicken Cordon Bleu Casserole


If you like Chicken Cordon Bleu, you will love this casserole! This is one of my family's favorites!

Prep Time:
20 mins
Cook Time:
1 hrs
Total Time:
1 hrs 20 mins
1 9x13-inch casserole


  • 4 cups cornflake crumbs

  • 1 cup grated Parmesan cheese

  • ¼ cup butter, melted (Optional)

  • 10 cooked skinless, boneless chicken breast halves - cut into strips

  • salt and ground black pepper to taste

  • 6 cups shredded Swiss cheese

  • 1 pound cooked ham, diced

  • ½ pound sliced fresh mushrooms

  • 1 bunch green onions, sliced

  • 1 (10.75 ounce) can condensed cream of chicken soup

  • 1 cup sour cream

  • 2 tablespoons butter, melted (Optional)


  1. Preheat oven to 325 degrees F (165 degrees C). Grease a 9x13-inch baking dish.

  2. Mix the corn flake crumbs, Parmesan cheese, and 1/4 cup melted butter in a large bowl, then spread about 2/3 of the crumb mixture into the bottom of the prepared baking dish. Layer half the chicken breast strips over the crumb base, and sprinkle with salt and black pepper. Cover with half the Swiss cheese, then a layer of ham, followed by layers of mushrooms and green onions.

  3. Mix the cream of chicken soup and sour cream together in a bowl, and spread the mixture over the green onion layer. Place the rest of the chicken strips onto the soup layer, followed by the rest of the Swiss cheese. Top the casserole with the remaining 1/3 of the crumb mixture. Drizzle with 2 more tablespoons of melted butter if desired.

  4. Cover the casserole with aluminum foil, and bake in the preheated oven for 45 minutes; remove the foil and bake until the casserole is bubbling, the cheese has melted, and the crumb topping is brown, an additional 15 minutes.

Cook's Note

To save time, I buy the fully cooked chicken breast strips and diced ham to use instead of preparing my own.

Nutrition Facts (per serving)

684 Calories
38g Fat
35g Carbs
50g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 684
% Daily Value *
Total Fat 38g 48%
Saturated Fat 21g 103%
Cholesterol 163mg 54%
Sodium 1193mg 52%
Total Carbohydrate 35g 13%
Dietary Fiber 1g 3%
Total Sugars 5g
Protein 50g
Vitamin C 23mg 115%
Calcium 556mg 43%
Iron 10mg 57%
Potassium 504mg 11%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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