To each square of a chocolate cake allow three jills, or a chocolate cup and a half of boiling water. Scrape down the chocolate with a knife, and mix it first to a paste with a small quantity of the hot water; just enough to melt it in. Then put it into a block tin pot with the remainder of the water, set it on hot coals; cover it, and let it boil (stirring it twice) till the liquid is one third reduced. Supply that third with cream or rich milk; stir it again, and take it off the fire. Serve it up as hot as possible, with dry toast, or dry rusk. It chills immediately. If you wish it frothed, pour it into the cup, and twirl round in it the little wooden instrument called a chocolate mill, till you have covered the top with foam.