Chicken cordon bleu with mornay sauce

Ingredients

For the Chicken Roll:

• 4 chicken breast fillets, skinned
• 4 slices of ham or prosciutto or any bacon
• 4 slices of cheese, preferably Swiss
• 1 egg, beaten
• 1/4 cup all purpose flour
• 1 cup italian breadcrumbs or ordinary plain crumbs
• salt and pepper

For the Mornay Sauce:

• 3-4 tablespoons butter
• 1 tsp white onion, minced
• 3 tablespoon flour
• 1 cup milk
• 1/4 cup Parmesan cheese and/or Gruyere and/or Cheddar
• 1 teaspoon chopped parsley
• 1/2 tsp Dijon mustard
• 1/4 tsp nutmeg
• salt and pepper