Mary'S German Chocolate Cake Icing - cooking recipe

Ingredients

1 cup evaporated milk
1 cup sugar
3 egg yolks
1/2 cup margarine or 1/2 cup butter
1 teaspoon vanilla
1 cup nuts, chopped
1 1/3 cups coconut

Preparation

Combine all ingredients (except nuts and coconut) in a medium saucepan over medium heat until thickened, approximately 12 minutes.
Add nuts and coconut. Beat with a spoon till both are coated.
Cool and frost the cake.