Chicken Cordon Bleu #Casserole

Ingredients

1. FOR THE CASSEROLE:
2. 1 whole Cooked Chicken, Bones Removed, Meat Diced Or Shredded (rotisserie Chicken Is Excellent, Should Be 5-6 Cups Of Chicken
3. ½ pounds Very Thinly Sliced Deli-style Honey Ham, Rough Chopped
4. ¼ pounds Thin Sliced Baby Swiss Cheese
5. FOR THE SAUCE:
6. 4 Tablespoons Butter
7. 4 Tablespoons Flour
8. 3-¼ cups Milk (I Used Whole Milk)
9. 2 Tablespoons Fresh Squeezed Lemon Juice
10. 1 Tablespoon Dijon Mustard
11. 1-½ teaspoon Salt
12. ½ teaspoons Smoked Paprika
13. ¼ teaspoons White Pepper
14. FOR THE TOPPING:
15. 6 Tablespoons Butter
16. 1-½ cup Panko Bread Crumbs
17. ¾ teaspoons Seasoning Salt
18. 1-½ teaspoon Crushed Dried Parsley