Place chocolate on its paper wrapper in microwave. Turn chocolate square onto 1 side and hold in hand. Working over foil-lined sheet, pull vegetable peeler along sides of chocolate, allowing chocolate curls to fall gently onto foil. Form as many curls as possible. Repeat process with remaining chocolate squares.
Place curls decoratively atop cake, mounding slightly.
Sift powdered sugar over chocolate curls before serving cake. Use of this site constitutes acceptance of our User Agreement. Please read our Privacy Policy.