Preheat the oven to 200 degrees Celsius.
Mix flour and butter to make the tart dough.
Let the dough rest in the refrigerator for 30 minutes.
Roll out the dough thinly and place it into the tart mold.
Mix eggs, sugar, milk, and vanilla extract to make the filling.
Pour the filling into the mold.
Bake in the oven for 20 minutes.