South African Melktert (Milktart) - cooking recipe

Ingredients

2 prepared graham cracker crusts
FILLING
1 liter milk
1 1/4 cups cake flour
1 cup white sugar
1 teaspoon vanilla extract
1 teaspoon almond extract
1 pinch salt
4 eggs, separated
1 tablespoon margarine
2 teaspoons cinnamon

Preparation

Heat 3 cups of milk to boiling point.
Mix remaining milk, flour, sugar, extracts, salt and egg yolks together and add to hot milk.
Cook until very thick and remove from stove.
Whisk egg whites to stiff peak stage and add to milk mixture after it has been off the stove for 5 minutes.
Stir in margarine and pour mixture into ready-made pie shells.
Sprinkle with cinnamon.
Refrigerate to cool and set.