This chowder is inspired by the makeshift meals the crew would have crafted from the limited resources on the island, as described during their struggle for survival.
Melt butter in a pot and sauté onion until translucent.
Add potatoes and carrot, cook for 5 minutes.
Pour in fish stock and bring to a boil.
Add fish and simmer for 10 minutes.
Stir in milk and season with salt and pepper.