Liz Marek has a great recipe and a you tube video how to make it. This is what I use and LOVE it! It actually tastes great. I have made cakes for people that hate fondant and are die hard buttercream fans and they have also loved it. Hope it helps.
Heres the link
http://www.youtube.com/watch?v=SJCUy3ezRxE
Diane, South Eastern Connecticut, http://www.facebook.com/bellacakesandconfections