Ingredients Buttercream Frosting Buttercream Frosting Tools Disposable Decorating Bags Large Round Tip 2A Instructions Click to mark complete - Hold decorating bag straight up. Pipe a mound of icing in the center of the cupcake. As the icing begins to build up, raise the tip with it, but keep the tip end buried in the icing. - Squeeze as you move tip counterclockwise around the mound. - Continue squeezing in a counterclockwise motion for four turns or until completed. Lift tip up and away to create a peak at top.