Butter-Poached Murray Cod with Shaved Pearl Oyster, Cucumber and Vongole Juices

Murray cod is a native Australian freshwater fish and, in my opinion, the king of freshwater fish. It has firm, sweet white flesh and a delicate flavour. Here I use a butter-poaching method to cook the fish gently — it imparts a little of the butter flavour without the fish actually absorbing too much butter. The butter is just a gentle cooking medium and because of its density it doesn’t dilute the fish’s natural flavour. I serve the Murray cod with an oyster-infused custard, pearl meat an