First, I use a cheese grater and grate a stick of butter. I know this sounds weird but trust me on this. The secret to flaky pie crust is keeping the butter as cold as possible until it hits the oven. The butter melts and leaves flaky and delicious pockets throughout the crust. Grating the butter allows you to get more butter pockets throughout the crust. After grating the butter, put it in a bowl and into the freezer until you are ready to use it.