Petto di Pollo alla Valdostana (Italian Valdostana Chicken Breast) Petto di Pollo alla Valdostana (Italian Valdostana Chicken Breast) Petto di Pollo alla Valdostana is a rich northern Italian preparation built around a precise balance of juicy chicken breast, delicate cooked ham, melting Fontina, and a restrained white wine pan sauce. The dish should never become excessively heavy. Too much cheese, overly thick ham, or the addition of cream destroys the balance. The chicken m