4 boneless, skinless chicken breasts-placed between waxed paper and pounded until 1/4 inch thick.
Melt one stick margarine and add one tbs worchestershire sauce and 1 tsp dry mustard.
Crush one can Durkee's French Fried Onion Rings in a plastic bag. Dip chicken in butter mixture and then in onion rings. Lay flat in baking dish. Sprinkle with remaining onion rings before baking. Bake at 350 degrees for about 40 minutes.