1 1/2           ounces        Irish whisky
                1 to 2            tsps           sugar
                       6           ounces        black coffee -- hot, very strong
                                    whipped cream -- garnish

     Into a pre-warmed  8 ounce steamed glass (or coffee cup), pour 1 1/2 ounces Irish whisky.
    Add sugar and fill to within 1/2 inch of top with strong, very hot, black coffee.  Stir to disolve sugar.
    Float to brim with chilled whipped cream.  DO NOT stir.  Drink through floating cream.