Ingredients Gum drops Granulated sugar Royal icing Royal icing Tools Rolling pin Rolling pin Decorating bags Decorating bags Scissors or pairing knife Instructions Click to mark complete - Using scissors or a paring knife, cut a green leaf gum drop into halves or thirds. - Using a Fondant Roller, roll out each of the cut pieces onto a surface sprinkled with granulated sugar to prevent sticking. - Cut the rolled out pieces into triangles. - Fill a disposable decorating bag with royal icing and cut about 1/4 in. (6.35 mm) off the end (a decorating tip is not needed). Use heavy pressure to pipe a line on the side of the house. - Working from the bottom up, immediately position the gum drop pieces into the icing, applying more icing lines as needed until desired tree size is achieved.