01 -
Blend butter, salt, and flour in a processor until sandy. Add vinegar, water, vanilla, and eggs, and stir lightly to combine.
02 -
Shape the dough into 8 flattened rounds, wrap tightly, and chill for 2-3 hours.
03 -
Roll each chilled disk thin, cut an 8-inch circle. Pierce with a fork and bake at 375°F for about 10-12 minutes.
04 -
Beat sugar, yolks, a bit of milk, and flour together. Heat the rest of the milk separately, slowly add to mixture, and cook until creamy-thick.
05 -
Mix in vanilla and butter, letting it cool completely before using.
06 -
Stack pastry rounds with cream between each. Coat the sides and top with crumbs and cream.
07 -
Let it rest in the fridge for at least 3 hours (overnight is fine) to soften before serving.