2 ounces Irish whiskey
1 to 2 teaspoons brown sugar (or to taste)
black coffee (hot and strong)
In a pre-warmed stemmed heatproof glass or a pre-warmed coffee mug, pour in whisky, then add sugar and pour in coffee up to within 1/2-inch of rim. Stir well to dissolve sugar.
Fill to the brim with whipped cream. Serve, enjoy, relax!