Confectioner's custard (Crème pâtissière, or French pastry cream): Stage 1

Pour 500 ml milk into a pan, and add the inside of 1 vanilla pod (the little black seeds) after carefully scraping them out with the tip a knife.

Bring to the boil on medium heat. As soon as it boils, take off the heat, cover and leave vanilla to infuse 10 minutes.