Vanilla Butter Cookies

1/2 cup butter, softened
1/2 cup powdered sugar, plus additional for dusting
1 tsp vanilla extract
pinch of salt
3/4 cup flour 

Preheat oven to 350. 
In a large bowl, beat the butter, powdered sugar, vanilla, and salt until smooth. 
On low speed, beat in half of the flour until just combined.
Knead in the remaining flour by hand. 
Pull off 1-inch sections of dough and shape into balls. Space about 2 inches apart on a baking sheet.
Bake for 13-15 minutes or until the edges start to turn golden brown.
Place the cookies on a wire rack to cool. 
Dust the tops of the cookies with powdered sugar.