4 cups short-grain japanese rice (koshihikari preferred)
1 piece kombu (about 10cm square)
125 ml rice wine vinegar
30 g caster sugar
5g salt
wasabi
pickled ginger
nori (approximately 2-3 large sheets per person)
soy sauce for dipping (optional)
a selection of sushi fillings to your taste - sashimi-grade tuna, salmon roe, japanese omelette, cucumber, daikon sprouts, shiso leaves, lettuce leaves
Eat immediately.