Ozōni is eaten on the first 3 days of the New Year holidays. There are many kinds of ozōni - Kansai-style, Kantō-style, Nagoya-style, etc. Ozōni is a soup prepared mainly with rice cakes, vegetables, meat and fish. The combination of ingredients differs greatly depending on the region. There are four basic types of rice cakes – grilled square rice cake, grilled circular rice cake, boiled square rice cake and boiled circular rice cake. The soup is almost always either clear soup or miso soup.