Clean 9 small leeks, remove outer leaves and cut to the same length
Cover with filtered shio koji and leave in the fridge to marinate for 6 hours
Take the leeks out of the shio koji and poach slowly in dashi
Remove, drain and put in the fridge for 12 hours to dry
Remove from fridge, take off outer leaf and roll tightly with quarter cut of a nori roll, sprinkled with water if required to roll easier.
Close Nori with a wetted finger
Place on kitchen paper top and bottom ensuring they do not touch one another
Place in fridge for 12 hours to dry
Assemble rolls into a circle and wrap tightly with 2 layers of halved sheet of nori
Wrap with with greaseproof paper tied with butcher string, being careful not to damage the roll
Place bundle into a mould with a little free space around (little mug for example)
Thicken the dashi/miso with gelatin/agar flakes
Pour warm onto ends of leeks in the bundle until outside free space fills up
Chill until set
Trim the ends and cut into 4 pieces
Serve with a sprinkle of togarishi and a splash of lemon juice