Chicken cordon bleu casserole recipe

Chicken second courses

1 (10-¾-ounce) can cream of mushroom soup, undiluted ¼ cup mayonnaise ¾ cup milk 2 teaspoons Dijon mustard ¼ teaspoon black pepper 2 pounds boneless, skinless cooked chicken breast, shredded ½ pound thin sliced deli ham, coarsely chopped 6 slices Swiss cheese ¼ cup Italian bread crumbs 2 tablespoons butter, melted paprika for sprinkling