- 1 cup butter
- 7 cups confectioners' sugar, or more as needed
- 1/2 cup milk, or more as needed
- 1 tablespoon vanilla
- Melt butter in a saucepan over medium-low heat and cook, stirring constantly, until butter turns golden brown, 5 to 10 minutes.
- Beat confectioners' sugar, browned butter, milk, and vanilla together in a bowl until a frosting consistency is reached, 3 to 5 minutes.