French Pastry Cream - cooking recipe

Ingredients

2 1/4 cups milk
4 large egg yolks
2/3 cup sugar
1/4 cup cornstarch
1/4 cup flour
2 teaspoons vanilla

Preparation

In a medium saucepan, heat 2 cups milk to boiling.
While milk is heating, whisk egg yolks, sugar and remaining 1/4 cup milk.
Whisk in cornstarch and flour until smooth.
Temper the egg mixture by slowly whisking in about 1/3 of the heated milk, then whisking in the remaining milk.
Return mixture to saucepan and cook over medium-high heat until mixture thickens and boils.
Whisk constantly.
Reduce heat to low and cook for another 2 minutes.
Remove from heat and stir in vanilla or other flavorings.
Pour into a bowl, press plastic wrap on the surface to prevent a skin from forming and cool to room temperature before chilling for at least 2 hours.