To prepare a after the holidays chicken cordon bleu casserole recipe, preheat oven to 325 degrees F. Lightly grease 8 x 8-inch baking dish with nonstick cooking spray and set aside. In large bowl, combine chicken broth, cream of chicken soup, Worcestershire sauce, and salt and pepper to taste. Pour over chicken mixture. Bake in preheated oven for 35 to 40 minutes or until chicken is cooked through. Serve warm.