Finely chop cabbage and green onions.
Slice pork thinly.
In a bowl, combine flour, water, and eggs to make the batter.
Mix vegetables, squid, shrimp, and pork into the batter.
Heat oil in a pan, pour the batter and cook until golden brown.
Flip and cook both sides evenly.
Finish with okonomiyaki sauce, mayonnaise, bonito flakes, and seaweed powder.