Method

• 1.
  Combine all the ingredients, except wafers, in a bowl, stirring until combined. Slice wafers in half, enclosing half in plastic wrap and reserving for another use.

• 2.
  Place a piece of plastic wrap twice the length of the wafer on a work surface.
• 3.
  Place a wafer in the centre and spread with one-quarter of the chocolate mixture. Repeat layers three times, finishing with a wafer. Tightly enclose in plastic wrap and chill overnight.
• 4.
  The next day, carefully slice wafer stack into diamond shapes before serving.