In a small bowl, beat together butter and cream cheese with a mixer at medium-low speed until smooth and creamy, approximately 1 minute. Add vanilla extract and salt, beating until combined. Reduce mixer speed to low. Gradually add confectioners’ sugar, beating until combined. Increase mixer speed to medium, and beat until fluffy approximately 1 minute. Use immediately.
Recipe by TeaTime Magazine at https://teatimemagazine.com/mini-ginger-carrot-cakes-recipe/