3 cups powdered sugar mixed with 1 tablespoon corn syrup and three-four tablespoons water to have the icing be spreadable without being too thin or too runny.(add 1 teaspoons vanilla or peppermint extract to this mixture)
Separate the icing into three bowls and tint one with red coloring and one with pink coloring and leave one white.
Spread the white icing over the cake, make some lines with the other colored frostings and swirl with the end of a spatula, spreader or knife to swirl the colors in a figure 8 pattern to create a swirled design.