Can I make it ahead of time?

Absolutely. Assemble the casserole up to 24 hours in advance, cover tightly, and refrigerate. When ready to cook, bring it to room temperature for 15 minutes before baking.

What’s the best substitute for Swiss cheese?

Provolone, Havarti, and mozzarella are excellent alternatives, especially for those who prefer a milder or creamier taste profile.

How do I avoid a dry casserole?

Use moist, freshly cooked chicken and don’t skimp on the sauce. You can also mix a little broth into the chicken before layering to lock in moisture.

Can I freeze Chicken Cordon Bleu Casserole?

Yes, both baked and unbaked versions freeze well. Wrap tightly and store up to three months. Thaw overnight in the fridge before reheating or baking.

Is this casserole keto and gluten-free?

Yes! This version contains no breading, flour, or grains. It’s low-carb, gluten-free, and high in protein and fat, making it a perfect fit for keto and low-carb diets.

Chicken Cordon Bleu Casserole – A Creamy, Cheesy Comfort Classic Reinvented

Name: Chicken Cordon Bleu Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 6 cups shredded cooked chicken; 6 oz diced ham; 4 oz butter, melted; 6 oz cream cheese, softened; 1 tbsp Dijon mustard; 1 tbsp white wine (optional); 1 oz lemon juice; 1/2 tsp salt; 5 oz sliced Swiss cheese

Description

Chicken Cordon Bleu Casserole is a rich, creamy, and cheesy low-carb dish featuring shredded chicken, ham, and Swiss cheese baked in a tangy Dijon cream sauce. It’s a simplified take on the traditional cordon bleu, perfect for busy weeknights or meal prep.

Ingredients

Scale

6 cups shredded cooked chicken
6 oz diced ham
4 oz butter, melted
6 oz cream cheese, softened
1 tbsp Dijon mustard
1 tbsp white wine (optional)
1 oz lemon juice
1/2 tsp salt
5 oz sliced Swiss cheese

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Instructions

Preheat oven to 350°F (175°C).
Layer shredded chicken evenly in a 9×13-inch baking dish.
Spread diced ham over the chicken layer.
In a bowl, blend melted butter, softened cream cheese, Dijon mustard, lemon juice, white wine (optional), and salt until smooth.
Pour and spread the sauce evenly over the chicken and ham.
Top with sliced Swiss cheese.
Bake uncovered for 30–40 minutes until hot and bubbly.
Broil for 2 minutes for a golden, bubbly cheese top. Watch closely to avoid burning.
Let rest a few minutes before serving.

Notes

Use moist shredded chicken or mix in broth to prevent dryness.
For milder flavor, substitute Swiss with mozzarella or provolone.
Optional add-ins include broccoli, spinach, or mushrooms.
Dairy-free alternatives like cashew cream and vegan cheese can be used.
Make ahead and refrigerate for up to 24 hours before baking.

Prep Time: 15 minutes
Cook Time: 30 minutes
Category: Main Course
Method: Baked
Cuisine: American

Nutrition

Serving Size: 1/8 of casserole
Calories: 452
Sugar: 1g
Sodium: 916mg
Fat: 34g
Saturated Fat: 17g
Unsaturated Fat: 15g
Trans Fat: 0g
Carbohydrates: 2g
Fiber: 0g
Protein: 34g
Cholesterol: 164mg