Thinly slice 1/4 small onion.
Cut 1/2 a small chicken thigh into thin bite-sized pieces.
Add 2 tbsp of mirin and 1 tbsp of sake to a small frying pan.
Place the onion and chicken pieces in the pan.
Turn the heat up to medium. Once the liquid has begun to boil, flip the chicken pieces.
When the chicken has changed color on both sides, add 1 1/3 tbsp of soy sauce, and continue simmering until the sauce starts to reduce.
Lightly bat 2 eggs in a bowl.
Pour in half of the eggs into the pan. Then add the rest about 30-40 seconds later.
If you have mitsuba, cut the leaves and stems into bite sized pieces, and sprinkle them over the chicken and egg mixture.
Add warm Japanese white rice into a bowl.
Once the egg is softly set, turn off the heat. Spoon the chicken and egg mixture over the warm Japanese white rice in a bowl.It is ready! We hope you enjoy your "TOKYO FLAVORS, NEW YORK STYLE" meal! Itadakimasu!