What do people eat on the island? It’s not a great place for growing crops. The cows are small. The chickens are psychopaths and may well turn out to be demons. You can eat the sea life but only if it doesn’t eat you first. There are potatoes, but their eyes glow and they will try and run away. The fungi…. just no…

Sometimes things wash ashore from wrecked ships. You might want to eat those. And weevils are high in protein.
The preferred cooking technique is to cut things up very small, and hope for the best. What the eye doesn’t see, the stomach might or might not grieve over.
One of the key features of Hopeless Maine cookery, is the agent of change. But don’t eat them, the consequences are unpredictable. The wise cook adds agents of change to pretty much anything, and waits around in the hopes of getting something a bit more edible.