-
Preheat the
oven to 350°F/180°C.
-
Roll out the
dough to a thickness of 1/8 inch. Place on a
greased baking sheet covered with baking paper.
Place a second sheet of baking paper on top of
the dough, bake for about 20 minutes.
-
Meanwhile,
prepare the pastry cream: bring the milk and
split vanilla pod to a boil. Beat the yolks
together with 3 1/2 oz/100 g of sugar until the
mixture pales. Fold in the cornstarch and flour,
mixed together. Drizzle the boiling milk in,
whisking all the time.
-
Transfer the
mixture to a saucepan and cook over low heat for
1 min after it first begins to boil, stirring
continuously with a spatula. Remove from the
heat and pour into a mixing bowl.
-
Dust with the
remaining sugar and stir in the liqueur and
allow to cool. Combine with the cream and chill
for 1 hour.
-
Cut the puff
pastry into 4 strips with a knife, Cut each
puffy strip into 3 equal rectangles. Assemble
the millefeuilles by pressing 2 layers of pastry
cream between 3 layers of pastry. Dust the last
layer with confectioners' sugar.