Scald milk, for the making of White Sauce, with bay leaf, parsley, and onion. Cover the bottom of small buttered platter with one-half of the fish, sprinkle with salt and pepper, and pour over one-half the sauce; repeat. Cover with crumbs, and bake in hot oven until crumbs are brown. Fish à la crême, baked in scallop shells, makes an attractive luncheon dish, or may be served for a fish course at dinner.