How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Cordon Bleu Casserole?

You need 12 ingredients. The key ingredients include: 2 cups cubed fully cooked ham, 4 cups cubed cooked turkey, 1 cup shredded Swiss cheese, 1 large onion, chopped, and more.

Is Cordon Bleu Casserole suitable as meat & poultry?

Yes, Cordon Bleu Casserole falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Cordon Bleu Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Cordon Bleu Casserole Recipe

Name: Cordon Bleu Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 cups cubed fully cooked ham; 4 cups cubed cooked turkey; 1 cup shredded Swiss cheese; 1 large onion, chopped; 1/3 cup butter, cubed; 1/3 cup all-purpose flour; 1/8 teaspoon ground mustard; 1/8 teaspoon ground nutmeg; 1-3/4 cups whole milk; 1-1/2 cups soft bread crumbs; 1/2 cup shredded Swiss cheese; 1/4 cup butter, melted

Try this homemade Cordon Bleu Casserole recipe the whole family will love. Made with turkey, Swiss cheese, onion and butter. Easy step-by-step instructi…

This Cordon Bleu Casserole relies on simple, everyday ingredients such as cubed fully cooked ham, cubed cooked turkey, shredded swiss cheese and large onion, chopped. It comes together quickly and makes 4 servings, at about 1119 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

1119

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Cordon Bleu Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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