Okonomiyaki (お好み焼き o-konomi-yaki) (About this sound listen (help·info)) is a Japanese savory pancake containing a variety of ingredients. The name is derived from the word okonomi, meaning "how you like" or "what you like", and yaki meaning "grill". Okonomiyaki is mainly associated with the Kansai or Hiroshima areas of Japan, but is widely available throughout the country. Toppings and batters tend to vary according to region. In Tokyo, there is a semi-liquid okonomiyaki called 'monjayaki.
This restaurant serves the biggest okonomiyaki. There are many restaurants that serves big okonomiyaki. You should service it when you go there.