Prepare the teriyaki chicken using the recipe link above. Chop the teriyaki chicken breasts into cubes. Set aside.
Heat the cooking oil in a pan.
Add the ginger. Saute for 20 seconds.
Add the chopped chicken teriyaki, carrot, 1/2 teaspoon sesame seeds, and teriyaki sauce. Stir. Cook for 1 to 3 minutes. Remove from the pan and transfer to a plate.Let it cool.
Scoop the chicken mixture and place on a piece of lettuce. Arrange the lettuce in a serving plate. Top with remaining sesame seeds and chopped scallions.
Serve as an appetizer.