Chestnut Biscuits Recipe from Edwardian 1909.
Half a pound of chestnuts, quarter of a pound of sugar, two ounces of grated chocolate, essence of vanilla, and a little water.
Boil the chestnuts till they are tender; rub them through a sieve, and add the sugar. Melt the chocolate in a little water over the fire till smooth, and add to the chestnut pulp. Lightly mix in the white of an egg very stiffly whipped. Drop on wafer paper in lumps, and place in the oven till crisp.