3 fish and leek gratin Recipes

fish (cooked ), shrimp , lobster (cooked ) or 1 cup crawfish (cooked ), onion (grated ), leek (chopped ), butter, salt, pepper, white wine, breadcrumbs (buttered )

olive oil, divided, shrimp - peeled and deveined , peels reserved, leek, chopped, carrot, chopped, shallot, chopped, paprika, cayenne pepper, cognac, dry white wine, water, fish stock, heavy cream, salt and pepper to taste, egg yolk, chopped fresh chives