Gnocchi
["2 lb. 3 oz. old floury potatoes", "salt", "9 oz. flour", "1 egg", "1/4 lb. grated Parmesan", "2 oz. butter", "pepper"]
["Peel the potatoes and boil them in salted water.", "When they are thoroughly cooked, puree them, then while they are still hot, incorporate the flour and lightly beaten egg until a smooth paste is obtained.", "Leave them for 30 minutes."]
["potatoes", "salt", "flour", "egg", "Parmesan", "butter", "pepper"]