Make sure you use sweetened condensed milk - not evaporated milk. Yes, really, condensed milk. A square of unsweetened chocolate is found in the baking aisle - one name brand is Baker's. Sweetened Condensed Milk Frosting. Please, please, please read the ingredient list carefully. It is not a square of a hershey bar!! Sweetened Condensed Milk Frosting is a simple and easy way to make a creamy sweet frosting for all your favorite desserts! The finishing touch? Resist that urge and make this super silky, velvety rich, frosting! Whether you are making chocolate or vanilla frosting, it only takes 3 ingredients! Condensed milk!
If your frosting isn't sweet enough, you didn't use condensed milk. Amber nectar, stuff of the Gods, that I could all too easily, if not rather guiltily spoon directly from tin to mouth.