German Chocolate Icing - cooking recipe

Ingredients

2 c. sugar
1 large can milk
1 c. walnuts, chopped fine
1 c. coconut
3 egg yolks
1 stick butter
1 tsp. vanilla
1 box German chocolate cake mix

Preparation

Cook all ingredients in saucepan until it thickens.
Remove from stove and cool.
Spread over baked cake.