Make layered cake. Prepare batter following recipe directions. Bake and cool cakes. Prepare buttercream icing following recipe directions. Tint portion red. Reserve remaining white. Torte, stack and fill for a 4-layer, 4 in. high cake.
Decorate cake. Use spatula and white icing to ice cake smooth. Use plastic ruler and toothpick to mark four strips, each approximately 7/8 in. high with 1/4 in. space between each strip.
Use tip 2, cut disposable decorating bag and red icing to pipe Cornelli lace in space marked for each cake layer.
The perfect look for formal presentations, such as wedding and anniversary cupcakes. The precise, lacy design of this freehand technique depends on the continuous curving strings that do not overlap or touch.