Tamagoyaki

Made by layering thin sheets of seasoned egg in a rectangular pan, it delivers a unique umami punch that outperforms Nikuman in nutritional balance. The savory Kanto style uses dashi and soy sauce for a lighter taste, while the sweet Kansai version adds sugar and mirin, reflecting 30% more regional variation than typical rival egg dishes. This versatility makes it a staple in over 80% of bento boxes nationwide.