RecipesFishHalibut In Scallop Shells+ Add to menuPrint recipeFishHalibut In Scallop ShellsServings6Ingredients2 tablespoons butter2 tablespoons flour1 cup milk1 1/2 cups cooked halibutOnion slicesMashed potatoInstructions1Make a white sauce of the butter, flour, and milk. Season to taste and add the baked halibut.2Fill scallop shells and cover with the halibut mixture. Decorate each with mashed potato put through a pastry tube, garnish with onion slices, and heat thoroughly.