Finely chop the cabbage and green onion.
In a bowl, mix flour, water, and eggs.
Add the prepared vegetables and pork to the batter and mix well.
Heat cooking oil in a pan and scoop the batter onto it in a round shape.
When one side is cooked, flip it and cook both sides until golden brown.
Top the finished okonomiyaki with sauce, mayonnaise, and bonito flakes.