It's National Irish Coffee Day and here is how the experts make the perfect one

Nothing says welcome home than a perfectly made Irish coffee.
While the roads diverge among chefs and mixologists as to whether sugar or sugar syrup is required in an Irish coffee, there is one thing that everyone agrees on: brown sugar is the key to a delicious Irish coffee. Neven Maguire, whose recipe is below, says that he has perfected this recipe over a long time, and melts his sugar in a pan before mixing.