Combine flour and water in a mixing bowl.

Whisk in the eggs until well combined.

Add cooked meat (chicken or beef) and chopped cabbage to the batter.

Incorporate cooked shrimp (or other seafood) into the mixture.

Heat vegetable oil on a griddle or large skillet over medium heat.

Pour enough batter onto the griddle to form a 6-inch diameter, 1/2-inch thick cake.

Cook for approximately 5 minutes on each side, or until golden brown.

Transfer the cooked okonomiyaki to a serving plate.

Top generously with okonomi sauce.

Sprinkle with bonito flakes.

Drizzle with mayonnaise according to your preference.

Serve immediately.