Combine the butter and sugar in the bowl of an electric mixer. Using the paddle attachment, mix on low speed for 15 seconds. Add the flour and salt and continue mixing on low speed for 3 to 5 minutes, until the dough comes together. It will look dry just before it comes together.
Put the dough on a lightly floured board and roll it out
Line a baking sheet with parchment paper and place the cookies, so they are not touching, on the pan.