I've only ever had it as part of a cocktail.
It's an essential ingredient of a Black Russian, which is very nice.
( Moon Girl Technologies horrendous beanbag, Tue 26 Aug 2008, 23:02, archived)

And in White Russians,
which are also nice.
( MooCow_Byter, Tue 26 Aug 2008, 23:05, archived)

Yes, this too.

( Moon Girl Technologies horrendous beanbag, Tue 26 Aug 2008, 23:07, archived)

A place on Cockburn Street that has since succumbed to the dreaded pub rot* used to do cocktails named after the seven deadly sins.
I think the Gluttony was a big milky thing with kahlua and rum in.

* you know, you go in one day and it's turned into a trendy wine bar with chrome tables and pine floors. And all the shouty old men start morphing into finance executives.
( Newington, Tue 26 Aug 2008, 23:24, archived)

There are a few places doing those.
Slain's in aberdeen, I had them all, for they were lovely.
( Wildheart Baby. Drunken Mess In A Good Way, Tue 26 Aug 2008, 23:41, archived)