Shred the cabbage and green onions.
In a bowl, mix flour, water, and eggs together.
Add the prepared vegetables and pork to the batter and mix well.
Heat oil in a pan and spread the batter into a round shape.
Cook on medium-low heat until golden brown on both sides.
Drizzle okonomiyaki sauce and mayonnaise on top, then sprinkle with bonito flakes and seaweed powder.