German Chocolate Cake Frosting

2/3 c. sugar
2/3 c. evaporated milk
2 egg yolks
1/3 c. shortening
1/2 tsp. vanilla
1 1/3 cups flaked coconut
1 c. chopped pecans (can use walnuts)

In saucepan combine sugar, evaporated milk, egg yolks, and shortening.  Cook and stir over medium heat until mixture comes to a boil.  Remove from heat.  Add vanilla, coconut, and pecans.  Beat until thick.  Cool 15 minutes.  Spread only between layers and on top if using round pans.