Warm your cup first by pouring boiling water in, letting it sit for 30 seconds then pour it out
Put the coffee and sugar in the cup and pour the measured boiling water in
Add the whisky and stir together
Spoon the cream on top (don't mix in) and drink the coffee through the cream
We did a lot of touring with the fiddle orchestra I played in when I was younger and we'd always get Irish coffee afterwards, no matter where we were!