, also known as surimi' is a cured, processed seafood product of Japan. It is made of puréed white fish, formed into different shapes including semi-cylinder loafs, and steamed until it becomes firm. Some "kamaboko" known as "narutomaki" is made with a swirl pattern in the center of each slice, named after the famous tidal whirlpool in the Japanese city Naruto. Outside of Japan, "kamaboko" is often referred to as fish cake.