Line two 15x10x1-in. baking pans with foil and grease the foil; set aside.
In a large resealable plastic bag, combine the flour, soup mix, dressing mix and seasonings. Place milk in a shallow dish. Dip chicken into milk, then add to flour mixture, a few pieces at a time, and shake to coat. Place in prepared pans. Drizzle with butter.
Bake at 350° for 35-50 minutes or until juices run clear.