Chef Harvey’s Filetto di Manzo (beef tenderloin), a year-round favorite at Siena Do Bianchi Posted on news 0 Above: Chef Harvey’s classic Tuscan Filetto di Manzo — Wood-grilled beef tenderloin filet, Gorgonzola, Black Truffle Demiglace, Fondant Potatoes, Beech Mushrooms. It’s one of our guests’ year-round favorites! Click here for current menus. Please call (512) 349-7667 to reserve.