Mix together the butter and the powdered sugar
Add the almond powder
Add the egg
Add the four and salt
Refrigerate the dough for 3h
Roll out the dough over a pie plate
Refrigerate for 1h
Blind bake: 150C for 35min
Bring to a simmer the milk and the vanilla bean
Meanwhile, whisk together the egg yolks and the sugar
Add the cornstarch and the four
Add the milk and stir well
Pour the mixture into a medium-size sauce pan
Bring to boil !stirring constantly with a whisk! until you see the boiling bubbles reach the center of the saucepan
Remove from the heat and pour into a bowl
Top with a piece of plastic wrap
Refrigerate until cool
