Maizuru or Kure, Japan — late Meiji era (1890s), associated with naval cooking and the adaptation of Western stew to Japanese pantry ingredients
Nikujaga — literally 'meat and potatoes' — is Japan's most unapologetically comforting dish, a soy-mirin-dashi braise of beef, potato, and onion that occupies the same emotional territory as beef stew or pot-au-feu in Western cooking. Its origin story is contested but beloved: naval officer Tōgō Heihachirō reportedly requested a beef stew after tasting it in England, and naval cooks in Maizuru or Kure (both claim the birthright) adapted it using Japanese pantry staples. The dish is fundamentally about the interaction between the sweet-savoury braising liquid and the potato. The broth — dashi, soy, mirin, and a touch of sugar — must reduce into the potato as it cooks, so the potato absorbs the entire flavour profile rather than just being poached in it. The beef, traditionally thinly sliced shabu-shabu style rather than cubed, needs only minimal cooking; it is added near the end or layered over the vegetables so it stays tender and imparts fat into the broth. Regional variation is significant. Kansai-area versions use thinly sliced beef and tend sweeter; Kantō versions use pork and skew saltier. The vegetable lineup often includes shirataki noodles and green peas, added for texture and colour contrast. Nikujaga is a dish that rewards simplicity. The temptation to over-season or rush the simmer ruins it. A proper nikujaga is cooked with a drop lid (otoshibuta) — a wooden or foil circle placed directly on the ingredients inside the pot — which circulates the braising liquid evenly without requiring stirring and prevents the potato from breaking apart from agitation.
Sweet-savoury soy-mirin depth absorbed into potato, with tender beef and an umami-rich reduced broth
Use a drop lid (otoshibuta) to ensure even braising without stirring, which would break the potato Thinly sliced beef is added late to prevent toughening — it should just barely cook through in the residual heat The braising ratio of soy-mirin-dashi should produce a caramel-edged reduction on the potato, not a watery soup Potatoes should be partially cooked separately or cut large enough to survive the simmer without disintegrating Mirin and sugar balance is critical — too much sugar overwhelms the soy; the sweetness should feel natural, not candy-like
Rinse cut potato in cold water for five minutes to remove surface starch and help the pieces hold their shape A small piece of konbu added to the simmering liquid amplifies umami without making the broth taste 'fishy' For Kansai style, increase the mirin proportion by 20% and reduce soy slightly for a more pronounced sweetness Shirataki noodles should be dry-fried briefly before adding to remove their packaged smell and improve texture The stew improves dramatically the next day as the broth penetrates the potato completely — make it ahead
Adding beef at the start and simmering until it toughens — it should go in for the final five minutes only Not using a drop lid and stirring instead — this breaks the potato into starchy rubble Using water instead of dashi — the depth of flavour is entirely absent without proper stock Cutting potato too small — the pieces overcook before the liquid has reduced enough Over-reducing the broth until it becomes a salty glaze — there should be enough liquid to serve as a light sauce