If you want to make this iced you can let the milk chill in the fridge after it has been warmed with the brown sugar. Add ice cubes to a glass with the cooled coffee. Pour the milk over the iced coffee and stir to combine. u003cbr/u003eDo not skip the heating step, even though you'll be enjoying the drink iced. It's necessary to dissolve the brown sugar completely. Otherwise your latte will taste grainy.