In a medium saucepan, combine butter, brown sugar, cream, vanilla, and salt. Bring to a boil over medium-high heat, stirring constantly until sugar is dissolved, approximately 3 minutes. Remove from heat, and let cool for 10 minutes. Whisk in confectioners’ sugar.
Recipe by Southern Lady Magazine at https://southernladymagazine.com/apple-butter-pound-cake-recipe/