Concentrated sachets of delicious tsuyu soup base.Turn fillets of cod, sea bream and flounder into tender servings of sumptuous simmered fish, with the tangy-sweet kick of ginger and junmai sake found in this umami-rich, seasoned soy sauce tsuyu. Specially blended for cooking fleshy white fish with its full-flavoured marudaizu soy sauce base, this tsuyu soup base is enriched with Hidaka kelp stock and black sugar mirin, to bring out the sweeter, gentler tastes of each fillet. Juicy, fresh-tasting and easy to cook when reduced with water, these 2 sachet provides enough sauce for frying 2-3 fillets each.