Once you've learned how to make icing roses for a cake, you'll need to transfer them off the flower nail and onto the iced cake. To transfer your finished rose, quickly run a knife or a slightly opened pair of scissors on the bottom of the rose to pick it up off the flower nail. Set the rose down on top of your cake or cupcake. How to Make Icing Roses for a Cake | LoveToKnow Please note: You are currently browsing img pretty much my favorite cake design always makes me smile that is 1200x1600px in size. This image is listed in rose cake ideas category. How to Make Icing Roses for a Cake LoveToKnow, 1200x1600 in 233.28 KB.