300g - Butter
180g - Powdered Sugar
5g - Salt
80g - Egg Yolks
510g - Plain Flour

In a mixer fitted with a paddle attachment, cream the butter, sugar, and salt. Add the egg yolks one at a time. scrape down the bowl periodically to ensure that the mix is well incorporated. Add the sifted flour and mix just until combined. Roll the dough into logs and then wrap in clingfilm and refrigerate for a minimum of 1 hour. Slice into discs and bake at 170C for 20 mins until cooked but very blonde. Sprinkle with sugar while still hot. Allow to cool before eating.