Deviled, Roasted Lobster

Kill the lobster in hot water; split in two lengthwise, and range it on a baking pan; season with salt and cayenne, and pour over some melted butter. Bake it in a moderate oven for twenty minutes, cover over with maitre d'hotel butter containing plenty of diluted mustard. Serve on a very hot dish, break the shells with pincers made for this purpose, remove the meat and serve them directly on the plates.