German Chocolate Icing

Combine the sugar, evaporated milk, egg yolks, and butter in a saucepan.

Cook over medium heat, stirring constantly, until the mixture comes to a boil and begins to thicken.

Remove from the heat and stir in the vanilla, coconut, and chopped pecans.

Beat or stir until thick enough to spread.

Use while soft to cover the top and layers of a cooled chocolate cake.