4 ounces hot coffee
1.5 ounces Irish whiskey
2 sugar cubes
Fill an 8-ounce clear heatproof glass with hot water to warm the glass. Pour out when the glass feels warm to the touch. Add the whiskey to the glass.
Fill the glass 3/4 of the way with hot coffee and then add the 2 sugar-cubes. Stir until completely dissolved.
Holding a spoon over the glass. Start to slowly pour the slightly thickened, whipped cream over the spoon into the glass until full.