91.—Snowdrop Biscuits.
1 lb. of arrowroot, 1 lb. of flour, the whites of 10 eggs, ½ lb. of butter, ¾ lb. of sugar, ¼ oz. of voil. Rub the butter in the flour, add the arrowroot, make a bay, add all the other ingredients, mix into a dough. Proceed the same as for Peruvian biscuits, and bake in a very cool oven.