1. Beat first 4 ingredients at medium speed with an electric mixer until creamy.
2. Gradually add powdered sugar alternately with 1 Tbsp. milk, beating at low speed until blended and smooth after each addition. Beat in up to 2 Tbsp. additional milk for desired consistency.
Note: For testing purposes only, we used Smucker's Special Recipe Butterscotch Caramel Flavored Topping.