Popularly known as “beef bowl” outside Japan, the key to this great-tasting meal is to use very thinly sliced beef with some fat. Serve with fresh raw eggs for a richer taste.
Halve onion along it’s lines. Place both halves with cut side facing down. Slice each half into 0.5-cm (¼-in) strips, perpendicular to the onion grains.
In a pot, bring stock, koikuchi soy sauce and mirin to a boi