Pastry Cream

In a saucepan, bring the milk, vanilla extract, vanilla bean, and half of the sugar to a boil, stirring constantly as it starts to boil. While the milk is first heating, combine the egg yolk along with the cornstarch and second half of sugar in a separate bowl and whisk until a smooth consistency is achieved. After the milk mixture boils, temper the eggs by slowly adding some of the hot milk mi