MASHED POTATO SOUFFLÉ IN CASES
Select large potatoes, scrub them and let them bake until mealy, which will be in from half an hour to three quarters, then cut them in half, lengthwise, and carefully scrape out the potato, laying aside the skins to use as cases. Mash the potatoes with a wire potato-masher, add 1 tablespoon of butter for every 5 potatoes used, and season well with salt and pepper. Beat the whites of eggs very stiff, allowing 2 to every 5 potatoes, and mix them lightly through the potato with a fork; fill the potato skins with the mixture, heaping them full; brown them slightly in the oven before serving, and garnish the dish on which they are served with sprigs of parsley. Five potatoes will fill 6 or 7 cases.