Finely chop cabbage and scallions.
In a bowl, mix flour, eggs, and water together.
Add the chopped vegetables, pork, shrimp, and other desired ingredients to the batter and mix.
Heat oil in a pan over medium heat and pour in the batter.
Cook until golden brown on both sides.
Top the finished okonomiyaki with mayonnaise, okonomi sauce, dried bonito flakes, and seaweed flakes.