- Pudding: Preheat the oven to 180*C. 
- Place the dates and the boiling water in a saucepan and simmer for a couple of minutes until the dates have softened. 
- Remove from the heat and stir in the bicarbonate of soda. Allow the mixture to stand for 5 minutes and then puree with a blender. 
- Cream the apple puree, 1 Tbsp margarine and Splenda. Add the eggs and beat well. 
- Fold in the sifted flour followed by the date mixture. 
- Pour the mixture into a lined muffin tray. 
- Bake for 15 minutes. 
- Sauce: While the muffins are cooking, prepare the sauce. 
- Put the light evaporated milk, brown sugar and remaining margarine into a saucepan. Stir over a low heat until everything is combined, then bring to the boil. Reduce the heat and simmer. 
- Dissolve 1 tsp of cornflour at a time in a few drops of water and add to the mixture with a whisk. Keep adding cornflour until you reach the desired thickness.