Pour the hot coffee into a heatproof mug or latte glass. Next, if you’re going the traditional route, add 1 to 1.5 ounces of Irish whiskey and ½ to 1 tablespoon of brown sugar, then stir until ...

If you're making a black iced coffee, fill a small glass with ice cubes. If you're making a milky iced coffee (an iced latte), fill a medium-sized glass three-quarters full of ice cubes.