Classic Butter Cookies

Instructions

1. 1
   Preheat your oven to 350°F (180°C) and line 2 baking sheets with parchment paper.
2. 2
   In a large bowl, beat softened butter and powdered sugar together until pale and fluffy, about 2-3 minutes.
3. 3
   Add egg yolk and vanilla extract to the mixture and beat until just combined.
4. 4
   Sift in the flour and salt. Mix on low or by hand until a smooth, soft dough forms.
5. 5
   Transfer dough to a piping bag with a large star tip, or roll into 1-inch balls by hand.
6. 6
   Pipe or place cookies onto prepared sheets, spacing 2 inches apart.
7. 7
   Bake for 10-12 minutes until edges just turn lightly golden. Let cool on baking sheet before transferring to a rack.