Finely chop the cabbage and green onion.
In a bowl, mix flour, eggs, and water together.
Add the chopped vegetables and pork to the batter and mix well.
Pour cooking oil into a pan and spread the batter out evenly.
Cook both sides over medium-low heat until golden brown, then place on a plate.
Top with okonomiyaki sauce and mayonnaise, then sprinkle with bonito flakes and seaweed flakes.