Scottish Shortbread with Cinnamon and Vanilla

Method

1. Preheat oven to 170°C (325°F).
2. In a mixing bowl, cream butter and sugar until light and fluffy.
3. Mix in cinnamon, vanilla, flour, and salt until dough forms.
4. Roll dough into a log, wrap in parchment, chill 1 hour, then slice and bake 15-20 minutes.