For filling, heat butter in skillet over medium heat until melted. Combine herbs and pepper in small bowl. Add half of herb mixture to mushroom mixture. Spread evenly with mushroom mixture. Press remaining herb mixture into surface of roast.
Place roast on rack in shallow roasting pan.
Insert meat thermometer so tip is centered in thickest part of veal. Do not add water or cover. Remove roast when meat thermometer registers 155 degrees. Let stand for 15 minutes. Stir in wine.