Ingredients

  • 1 10 1/2 by 15 1/2 by1-inch sheet cake made with basic white cake in a buttered pan lined with parchment paper.
  • 2 recipes Vanilla Buttercream divided into 5 bowls and colored red, orange, yellow, blue and green.
  • 1 recipe Strawberry Coulis in a squeeze bottle, recipe follows
  • 3 cups whipped cream
  • Confetti sprinkles
  • 1 pint strawberries, cleaned and hulled
  • 1/2 cup water
  • 1/4 cup sugar
  • 1 tablespoon lemon juice

Method

  • Remove the cake from the pan and leave it on the parchment paper.
  • Using the colored buttercream, spread stripes of the frosting lengthwise on the cake.
  • Using parchment to lift and push forward, roll the cake lengthwise as tightly as possible.
  • Once the cake is rolled, place on a large platter, seam side down.
  • Shortly before serving, frost the cake with the whipped cream.
  • Spread the whipped cream on generously and create swirls using a palette knife.
  • To make the cloud-like swirls, lightly drag the palette knife through the whipped cream and gently pull up to make peaks.
  • Decorate the platter outside of the cake with strawberry coulis and sprinkle the whole thing with confetti sprinkles.
  • As the cake is sliced, a "rainbow" of frosting will be revealed on the inside.
  • Combine the strawberries, water, sugar and lemon juice in a saucepan and cook over medium heat until the sugar is dissolved and the strawberries are quite soft.
  • Puree the mixture in a blender.
  • Strain through a fine strainer and cool.