Get the Free Meal Planning Tool That Can Show You How.
Start your FREE 1-year subscription to DinnerTime.com — the online tool that helps you plan, shop and cook dinner every night.
To access this FREE offer, set up your FlavorProfile now!
Beat butter in large bowl with electric mixer on medium speed until light and fluffy. Add Root Beer Concentrate; mix well.
Gradually add confectioners' sugar, beating until well blended after each addition and frequently scraping sides and bottom of bowl.
Add milk; beat until light and fluffy. If frosting is too thick to spread, gradually beat in additional milk. Store in refrigerator up to 2 weeks. Rewhip before using.