Pistachio Pesto from Sicily. Villa Reale Supreme presents this pesto of true Sicilian excellence. It pays tribute to a worshiped ingredient of the land - the pistachio with its curious green exterior intense and vibrant, and with its taste we cannot be but charmed by its sweet, tender embrace. The superb Sicilian Pistachio is a celebration of flavour and texture. It is made with one of the most refined and elaborated techniques of Sicilian gastronomy.