Put cake flour and butter in a bowl and mix together.
Add sugar and salt, and blend well.
Gradually add cold water to form the dough.
Wrap the dough in plastic wrap and let it rest in the refrigerator for 30 minutes.
Roll out the dough thinly and place it into the tart pan.
Poke holes with a fork and bake in a preheated oven at 180°C for 15 minutes.