What do people in your country leave for Santa/st Nicolas/Christmas gnome etc?

I'm from the UK and my partner is from the States. Every year she has the kids leave milk and cookies out for Santa, which I find odd because we left out sherry and a mince pie in my house. At the same time, we live in Scandinavia and I'm sure the Christmas gnome (julenissen) is unhappy about the lack of porridge.