2C4 sticks unsalted butter, room temperature, cut into small pieces
3 ½Cconfectioners' sugarsifted
Pinchof salt
1vanilla beanscraped
1tpure vanilla extract
¼Cmilk
Instructions
In the bowl of an electric mixer fitted with the paddle attachment, beat butter until creamy. Slowly add confectioners' sugar; beat to combine, scraping down sides of bowl as necessary.
Add vanilla bean seeds and vanilla extract and beat to combine. Slowly add milk and continue beating on medium-low speed until smooth and creamy, about 5 minutes.