Seasoned thinly sliced beef and onion over steamed rice
Slice onion thinly, and cut sliced beef in 2" width.
Boil Dashi in a pot and add sliced onion. Cook for 3-4 minutes. Add soy sauce, sugar, and Sake, then add grated ginger.
Add sliced beef in pot and stir. Cook a couple of minutes or until meat is cooked through.
Pour meat and sauce over rice and top with pickled red ginger.