昆布だし

Konbu dashi

1.25 LITRES (44 FL OZ/5 CUPS)

15 cm (6 in) square piece of konbu

For konbu dashi I, cut the konbu into strips and place in a saucepan with 1.5 litres (52 fl oz/6 cups) cold water. Bring to the boil, then remove the konbu.

For konbu dashi II, leave the konbu in the pot, reduce to a simmer and cook for 10 minutes longer.