Fudge Frosting

Directions

1. 1
   Put the milk in a saucepan and whisk in the flour.
2. 2
   Bring to a simmer over medium heat and simmer until thickened, about 5 minutes, whisking often.
3. 3
   Strain and cool to room temperature.
4. 4
   Cream the butter, sugar, and vanilla in a mixer fitted with a paddle attachment until light and very fluffy.
5. 5
   Add the cooled thickened milk and mix until smooth.
6. 6
   Drizzle in the melted chocolate and continue whipping until well blended.