Caramel Fudge Icing

Procedure

1. Combine the sugar and milk in a saucepan. Bring to a boil, stirring to dissolve the sugar. Boil the mixture until it reaches 240°F(115°C).
2. Pour the mixture into the bowl of a mixer. Let it cool to 110°F(43°C).
3. Turn on the machine and mix at low speed with the paddle attachment.
4. Add the butter, salt, and vanilla, and conti