Chop the cabbage, chicken breast, and onion finely.
Beat the eggs in a bowl and add the chopped ingredients, mixing well.
Season with salt and pepper.
Add oil to a pan and spread the batter thinly.
Cook over medium-low heat until golden, then flip and cook both sides.
Place the finished okonomiyaki on a plate.
Finish by topping with low-carb sauce, mayonnaise, or seaweed flakes.