Zesty Chicken Breasts

1 tbsp Parsley
2 tsp unsalted Butter
1 tbsp Worcestershire Sauce
1 lb boneless, skinless Chicken Breast
1 tsp Dijon Mustard
1 1/2 tsp Black Pepper
2 tbsp Lemon Juice
2 tsp Lemon Zest

Rub equal amounts of lemon zest on to each side of chicken breast. Sprinkle with pepper, pressing with hands to adhere. Melt butter in a  heavy nonstick skillet over medium heat.
Saute chicken 4-5 minutes per side or until chicken is golden and opaque throughout. Transfer to a platter and keep warm. Add lemon juice, Worcestershire sauce,  and mustard to skillet, stirring with a wooden spoon to deglaze. Pour sauce over chicken breasts and sprinkle with parsley.