Santa is not real
Cookies and milk
Usually you would give some sort of beverage (eg, whiskey or milk) for Santa Claus, and a mince pie for him too. You could leave a carrot for Rudolph. Hope my advice helped, Merry Xmas
== == I used to leave cookies, and now I instruct my daughter to do the same. Santa isn't picky, he's usually happy with whatever you choose to leave out. == ==
Coca-Cola popularized Santa Claus-and also Polar Bear ads.
White Rock Beverages
This answer assumes that you are talking about an alcoholic beverage, not pure alcohol. Bacteria take sugars left in the beverage after fermentation and convert them into acidic chemicals which leave a sour flavor. If the beverage is sealed after use, bacteria cannot use oxygen in the air for respiration and cannot produce the acid.
In the wooden shoes that are left in front of the fireplace. The presents are left not by Santa, but by Sinterklaas, and it happens on the evening of December 5.
Grappa
anything really
Santa in England is sometimes called Father Christmas, but often Santa there too.
Santa is often called that in Finland.