Ingredients

2 cups (4 sticks) unsalted butter, room temperature, cut into small pieces 

3 1/2 cups confectioners' sugar, sifted 

Pinch of salt 

1 vanilla bean, scraped 

1 teaspoon pure vanilla extract 

1/4 cup milk 

Preparation

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.