Method

• 1.
  Crumble the pudding into a bowl or roughly process in a food processor, then stir in the zest.
• 2.
  In a separate bowl, beat together eggs and milk and pour over the pudding. Set aside for 20 minutes. Preheat oven to 190°C/170°C fan-forced and grease a 23cm pie dish.
• 3.
  Spread the pudding mixture into the pie dish, flatten the top. Combine the sugar and cinnamon and sprinkle on top. Bake for 30 minutes.
• 4.
  Dust with icing sugar and serve hot with ice-cream or cold, cut into slices like a cake and topped with cream.