1. For sauce, in a small bowl stir together water, worcestershire sauce, lemon juice and mustard. Set aside.
2. Sprinkle both sides of each piece of meat with lemon-pepper seasoning.
3. In a 10-inch skillet cook meat in hot butter over medium heat for 6-10 minues or until done (160 degrees) and juices run clear, turning once.
4. Transfer meat to platter.
5. Cover to keep warm.
6. Remove skillet from heat.
7. Add sauce to skillet.
8. Stir until well blended.
9. Pour sauce over meat.
10. Sprinkle with chives.