Place flour in a food processor.
Add cold butter cubes. Pulse until mixture resembles coarse sand.
Add the egg yolk and pulse to combine.
Slowly add water, a little at a time while blending, until the dough comes away from the sides and forms into a ball.
Remove dough from food processor and shape it into a ball.
Cover the dough in plastic wrap and allow it to chill in the refrigerator for 30 minutes.
Preheat oven to 450°F.
After 30 minutes, remove dough from the fridge, unwrap it and place it on a floured work surface.
Roll the dough out into a large circle.
Place dough into pie dish.
Crimp and flute crust edges.
Place a circle of parchment paper in the pie pan and fill with a layer of beans or pie weights.
Bake the crust for 10 minutes.
Remove pie crust from the oven and remove the beans and parchment paper.
Lightly beat the egg white with a fork and baste the inside of the pie crust with the beaten egg white.
Return the pie crust to the oven and bake for another 5 minutes or until egg white is crispy.
Remove from the oven, set crust aside and reduce oven temperature to 375°F.