Carnaroli Rice Box - 1 kg. Carnaroli Rice is often described as a IsuperfinoO rice or as Ithe king of ricesO. It is the most widely used rice in Italian cuisine and is highly prized. Carnaroli is a medium-grain rice that keeps itIs shape and has an ultra creamy, yet firm texture, making it the rice of choice for a superior risotto.Carnaroli Rice is often described as a "superfino" rice or as "the king of rices". It is the most widely used rice in Italian cuisine and is highly prized. Carnaroli is a medium-grain rice that keeps it's shape and has an ultra creamy, yet firm texture, making it the rice of choice for a superior risotto.