In Japan natto was principally eaten in soup or "on top of rice." This is the traditional way of eating natto, and the style is still the mainstream today.Today, however, food culture has become globalized. As a result, the ways in which natto is prepared have diversified.There is "natto pizza" made with cheese, tomato sauce and natto.There is natto pasta, which is freshly boiled noodles mixed with seasoned oil and natto.It is often on the menu at restaurants in Japan."Natto-maki," natto rolled with vinegared rice and nori seaweed, is a staple at sushi restaurants in Japan.And it has become a staple in Japanese supermarkets and convenience stores.