that the surface is flat. then cut into 3 layers. put the base the base of each cake on a cake platter of the same size then soak each slice with cake syrup. spread the rhubarb icing between each layer and then glaze the two cakes with a thin layer of icing. let set 20 minutes in the refrigerator (cover the bowl of frosting but leave it at room temperature during that time before adding a thicker layer of icing. smooth out with a spatula. decorate with red fruits. keep cool until ready to serve. 