Make a vanilla icing and add one tablespoonful of cold water to it.
Scrape fine one ounce of No. 1 chocolate and put it in a small iron or
granite-ware saucepan with two tablespoonfuls of confectioner’s sugar
and one tablespoonful of hot water. Stir over a hot fire until smooth
and glossy, then add another tablespoonful of hot water. Stir the
dissolved chocolate into the vanilla icing.