Whisk together the flour, baking powder, salt, and sugar.
Add the butter and stir with a fork or pastry blender until pea sized clumps begin to form.
Add the water and stir until the mixture begins to come together.
Press the dough along the bottom of the pie pan and up the sides.
Fill the pie crust with your desired filling and bake according to the pie recipe instructions.
Notes
If you're making a cream pie and need a baked crust, bake at 375°F for 10 to 13 minutes or until golden. Allow to cool and then fill with your cream or pudding filling.