Custard Slices

Method

1. Grease glass dish of 35x25x5cm with butter.
2. Pack 15 cream crackers in rows of 5×3 on the bottom of the glass dish, make sure all lines of crackers are IN LINE and lies in the same direction.
3. Heat milk in big pot until boiling.
4. Add sugar and butter and stir until all are melted.
5. In a separate bowl mix cake flour, Maizena, custard powder, salt and cold water well.
6. Add the egg yolk to this mixture and beat well.
7. Beat about ⅓ from the milk mixture gradually into the custard mixture.
8. Pour this mixture into the pot with the rest of the milk mixture.
9. Stir continually over low heat and boil ± 5 minutes until mixture is thick.
10. Remove from the stove and add the vanilla essence.
11. Beat the egg whites until stiff and but not dry.
12. Fold egg whites into custard mixture, WITH A METAL SPOON this time.
13. Pour warm custard over crackers in bowl.
14. Cover mixture with another 15 crackers in a row of 5×3 and make sure all lies in the same direction as those on the bottom.
15. Let is cool properly, put in fridge until completely cold.
16. Mix icing sugar & boiling water into a smooth paste.
17. Pour it evenly over the crackers.
18. Keep in fridge until really set.
19. To dish up, cut crackers online and serve onto small plates.