1. Preheat cake pop maker until the ready light illuminates.
  2. Using an electric mixer, beat the butter, sugar and vanilla in a bowl for 1 minute or until light and fluffy. Add egg and whisk well to combine, approximately 30 seconds.
  3. Fold through the baking powder, flour and milk until just combined.
  4. Add a heaped teaspoon of mixture to each cake pop well and close the lid for 4 minutes.
  5. Remove using heatproof tongs and place onto a cake rack to cool.
  6. Push the cake pop stick into the cake pop ball and place onto a platter.
  7. Roll the icing out until it is 2mm thick. Using a 6cm round cutter, cut the icing into 24 circles and place over the top of the cake pop stick. Pinch the sides gently to create a sheet look.
  8. Using the edible marker, draw a crazy ghost face.