tubes of 220g soft tofu (cut into slices) • salt (to season tofu) • green serrano chilli • red cayenne chilli • oysters (remove shells) • water and 1 tbsp salt (for rinsing oysters) • pipi clams • water and 1 tbsp salt (for soaking) • salt (for soaking) • vegetable stock (or 1 cube of vegetable stock) • enoki mushrooms (roots removed and separated) • spring onions (diagonally sliced) •