Make the crust in a food processor: Place flour, sugar, salt, and butter in a food processor and pulse 4-5 times until coarse meal forms. Add egg yolk and pulse 2 times. Add one tablespoon water at the time and pulse 1-2 times after every tablespoon. Stop pulsing when the dough starts to clump. Watch the step-by-step photos and the video to see the required consistency.
If you don't have a food processor, then make the crust with a pastry cutter or two forks instead: In this case mix together flour, sugar, and salt in a large mixing bowl. Then add butter and cut it into the mixture until it resembles coarse meal with pea-sized butter flakes. Then add egg yolk, and water little by little until the texture starts to clump.
Form crust into a 1 - 1.5-inch thick disc without kneading. Cover tightly with plastic wrap and refrigerate at least 2 hours or up to 4 days.
On a lightly floured surface, roll out the dough disc into a 12-inch circle. Transfer to a 9-inch pie dish. Press into the bottom and the sides of the pan and trim off any excess crust. Peak a few times. Freeze for 30 minutes.
Preheat oven to 350°F (175°C).
Line chilled crust with parchment paper and push it lightly against the bottom and the sides of your crust. Make sure that the parchment paper covers the edges of your crust completely to prevent it from heavy browning. Then heavy it down with baking beans (or beans or rice). Also, make sure that your baking beans push against the sides as well to prevent them from sinking down to the bottom. Transfer to the preheated oven and place a piece of parchment paper underneath the baking pan. Bake for 35 minutes. Remove from the oven and let cool for about 20 minutes. Then remove the paper and the baking beans and let cool completely.