The actual recipe for the ginger cinnamon buns is below, but I think the "tree" can be made using ready made frozen biscuit dough, frozen cinnamon rolls dough, or pecan buns as a dessert.
http://www.penzeys.com/cgi-bin/penzeys/recipes/r-penzeysgingercinnamonbuns.html
http://www.penzeys.com/cgi-bin/penzeys/recipes/r-penzeysgingercinnamonbuns.html