I've seen DIY posts like [this one][1] about Kahlua, but it seems to basically be coffee-infused vodka. Is actual Kahlua made this way, or is it fermented coffee (almost like a coffee wine)? How can I brew Kahlua myself?

  [1]: http://www.cupcakeproject.com/2009/12/homemade-kahlua-using-your-favorite.html