A chowder-like stew of fresh and smoked seafood capped with fluffy, bruléed mashed potatoes, fisherman’s pie is the isle’s ultimate comfort food. We hewed close to tradition when selecting the seafood for our Fisherman's Pie, landing on a trio that offers a variety of flavors and textures: flaky, white-fleshed cod; delicate cold-smoked salmon; and snappy jumbo shrimp. A roux-thickened mixture of heavy cream, clam juice, and white wine produced a light, elegant sauce. We kept the flavorings…