Put three ounces of the best (unroasted) Mocha coffee into a stewpan,
keep tossing over a sharp fire till it becomes yellow, in another
stewpan have a pint of milk in which you have boiled an ounce of
isinglass, throw your coffee into it, place the cover upon the stewpan
and let stand till half cold, have the yolks of five eggs in another
stewpan, with which mix four ounces of powdered sugar, then add the
milk, stir over the fire till it thickens, and finish as before.