Position bow and streamers. Pipe tip 21 shell bottom border. Attach small drop flowers over shells with dots of icing. Reserve remaining fondant. Loop 4 strings in half, seal ends with water and lay on side to dry.
Bake cake following recipe directions, let cool.
Unroll, fill with favorite filling, re-roll. Lightly ice with buttercream. Place on cake board with seam on bottom. Use fondant smooother to smooth fondant on cake. Ice sides of cake resemble a scroll.