Basic Pastry Cream

1. Put flour, sugar, egg and egg yolks in a bowl.
2. Mixi well with a wire-whisk.
3. Add hot milk (not boiling) and mix well until smooth.
4. Add vanilla extract.
5. Transfer contents to a sauce pan and cook over low fire.
6. Heat up to about 180 F (82 C) while stirring constantly.
7. Do not boil.
8. Transfer the cream to a glass bowl and leave to cool up to room temperature.
9. Refrigerate.
10. It is possible to replace the vanilla extract with rum, coffee, chocolate, or other flavorings.