Preheat oven to 325 F.
In stand mixer or by hand, beat softend butter and powdered sugar together until smooth.
Add flour and continue mixing until batter comes together. It will be crumbly and dry at first, continue working it together and it will form a solid dough. Let your mixer run, or knead it together by hand.
On a lightly floured surface, roll dough out to between 1/4 and 1/2 inch thickness. Cut into desired shapes and use a fork to score tops. Place on parchment lined baking sheets and bake for 20 minutes, or until lightly browned.
Allow to cool on baking sheets briefly, then transfer to cooling rack. Cool completly before storing in an airtight container.