This classic recipe is associated with the region of Piemonte. The tonnato sauce is versatile—it may be used to dress other foods such as fish and roasted or boiled meats. The classic tonnato sauce is made with canned tuna packed in oil. If possible, both meat and sauce should be prepared in advance and refrigerated to allow the flavors to develop overnight. The mayonnaise may be made with olive oil in place of a neutral oil.
Vitello tonnato may be garnished wit