Sift flour with baking powder, salt, mace and 1 lb. sugar. Cut in butter with pastry blender. Stir in fruit and nuts. Add milk to well-beaten egg yolks and combine with flour mixture. Beat egg whites until soft peaks form. Gradually add 8 ozs. sugar and beat until stiff. Fold into batter. Pour into greased 9x5x3″ loaf pans. Bake in moderate oven, 350° F. for 60 to 65 minutes. Cool on rack. Your customers will howl for more.