PufferPuffer

You can cook pufferfish and eat it, but there's a 33% chance you'll get poisoned. If you get poisoned, you get 2 units of hunger. And if you are lucky, you get 6 hunger units

With cooked pufferfish you can make a soup based on milk, which neutralizes the negative effects. You will get 10 hunger units. You can also make soup based on water, but the chance of poisoning still remains

You will need a cooked pufferfish, sea grass, egg, milk or water and a bowl

Do you know what dolphins do with pufferfish?

Flying dolphin?