is filled with Cream cheese Frosting.
The bottom tier is a 2-layer Carrot Cake, also filled with Cream Cheese Frosting.
The whole cake is crumb-coated with the same frosting.
More pictures here:
http://www.facebook.com/album.php?fbid=10150123397034578&id=102145934577&aid=295903#!/album.php?fbid=10150124902699578&id=102145934577&aid=296488