Preheat the oven to 200°C (392°F).
Place the pastry dough into small round molds.
Prick holes in the bottom of the dough with a fork.
Mix eggs, sugar, milk, and vanilla extract well to make the filling.
Pour the filling over the pastry.
Bake in the oven for 15 to 20 minutes.
Let cool and remove from molds.