Potato Flour.—2oz. of butter beaten to a cream, 3oz. of potato flour, 4oz. of powdered loaf sugar, one large egg beaten with a tablespoonful of cream, and two table-spoonfuls of well-washed and dried currants or finely chopped raisins. Mix these ingredients together and beat the mixture till it is quite light. Put it into small buttered tins, and bake in a quick oven for ten or twelve minutes. To be eaten hot or cold, but they are not so good when stale. Or: 1lb. of potato flour, ½lb. of fresh butter, 6oz. of finely powdered sugar, two eggs, any essence liked. Beat the butter to a cream, add flour and eggs, and beat all together for twenty minutes. Bake in a moderate oven. Cheese biscuits made with potato flour instead of American flour are delicious.