But you don't have to be a pro to make a solid, flavorful buttercream frosting that's smooth and easy to work with — all you need is a can of sweetened condensed milk. Like all types of frosting ...

Dan Lepard's buttercream is firm and easy to pipe ... at room temperature than if only butter is used. Mix the icing sugar, glucose, condensed milk, flavouring and butter with an electric mixer ...