Place the yoghurt in a bowl, set aside. Rinse out the yoghurt pot, dry thoroughly. Use the pot to measure out the flour, transfer the flour to a separate bowl, mix in the baking powder. Measure out the sugar and oil using the pot, add to the yoghurt along with the eggs and diced pear, whisk together well, add to the flour, mix well. Spoon the batter into the prepared tin.
Approx. 20 mins. in the centre of an oven preheated to 180°C. Leave the muffins to cool on a cooling rack.
Split each Oreo in half, leaving the cream filling intact on one side. Stick a Smartie on top of each as a pupil. To make the eyebrows, trim the Mikado sticks to the right size. Melt the cake icing in a hot bain-marie or in a microwave according to the packet instructions.
Level off the top of the cooled muffins if necessary, coat with a thin layer of icing, immediately attach the Oreo eyes, nose and brows, leave to cool.