In a mixing bowl, cream butter and powdered sugar until smooth.

Stir in flour, salt, and rosemary until dough comes together.

Shape into a disk, wrap, and chill 30 minutes.

Preheat oven to 350°F (175°C). 5. Roll dough on floured surface to ¼-inch thick. 6. Cut into shapes and place on lined baking sheet. 7. Sprinkle with coarse sugar if desired. 8. Bake 18–20 minutes, until edges are golden. 9. Cool on wire rack.