Marinade for Flank Steak
2 tablespoons Worcestershire sauce
2 tablespoons soy sauce
2 tablespoons mustard
1 ½ teaspoons pepper
1 t garlic powder
¼ cup vegetable oil
¼ cup lemon juice (fresh squeezed please)
¼ cup red wine vinegar
¼ cup chopped parsley

Marinate 24 hours for best results.