Melktert

Preheat oven to 200 ºC.
Line a greased ovenproof plate with the pastry and make a raised edge.
Add the butter, salt and cinnamon to the milk and bring to the boil.
Mix the custard powder and cornflour to a paste with the cold milk.
Add a little hot milk mixture and then stir into the hot milk together with the sugar.
Stir continuously until it boils and thickens.
Remove from the heat and discard the cinnamon.
Beat the egg whites until stiff and gradually add the remaining sugar.
Beat the yolks and add a little custard mixture. Stir into the custard adding the almond essence and orange rind.
Fold in the egg whites and pour into the pastry case.
Bake in preheated oven for 10 minutes.
Reduce oven temperature to 180 ºC and bake for a further 10 to 15 minutes until set.
Set aside to cool and sprinkle with cinnamon sugar.