Baked Ranch Chicken

1 envelope ranch dressing mix
1 cup Italian bread crumbs
1/4 cup grated Parmesan cheese
1/2 cup butter or margarine, melted
6 to 8 boneless chicken breasts

In a shallow dish combine dressing mix, bread crumbs and Parmesan cheese. Dip chicken in butter then roll in crumb mixture. Place in a greased baking dish and bake at 350 degrees F for 45 minutes or until juices run clear.