Siena classics: Walnut Crusted Rainbow Trout Do Bianchi Posted on featured dish 0 Trota In Crosta di Noci: Walnut crusted Rainbow Trout, sautéed shrimp, fresh tarragon, Vernaccia wine beurre blanc and sautéed fresh spinach. It’s one of our guests’ favorite and a Siena classic. Click here for current menus. Please call (512) 349-7667 to reserve.