Cake decorator Romi Naparstek demonstrates decorating a rainbow cake with buttercream petals – and it’s easier than it looks!
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Piping it’s an art that cake decorators have been practicing for years. Whether you’re an experienced pastry chef or just starting out, the ‘pipe and swipe’ is the perfect technique for creating simple yet memorable cake designs.
For beginners, this is a great way to get comfortable with buttercream and start taking control of the piping bag. So that’s the first thing you need! Piping bags can be fabric, silicone, plastic, or you can make your own out of parchment paper.
How to pipe and swipe
For the pipe and swipe method, we recommend a pipe tip no. 12. In this lesson, Romi uses a 6″ three-layer cake pan for her rainbow cake. She the best buttercream recipe it’s perfect for making petals!
Pipe and swipe is exactly what it sounds like: pipe a drop of buttercream, then drag the drop to create a petal shape. Alternatively, you can catch the drop and then slide it with an offset spatula.
Once you have frosted your cake with a plain crumb coatscore with a ruler in preparation for the pattern of petals, to maintain proper proportions.
Start from the bottom, creating rows of petals throughout, alternating the colors of the rainbow. Start the second row with the second color from the first row, and so on. This creates a waterfall effect around the cake.
On the top, start from the edge and work towards the center, alternating the colors as evenly as possible.