Shred the cabbage.
Julienne the green onion and carrot.
Beat the eggs.
In a bowl, mix the vegetables, eggs, flour, salt, and pepper.
Heat cooking oil in a pan.
Place the batter in a round shape and cook on medium-low heat until golden on both sides.
Drizzle okonomiyaki sauce and mayonnaise.
Top with katsuobushi (bonito flakes) and parsley flakes.