1 cup sugar
3 egg yolks
1/2 cup milk
2 tbsp. all-purpose flour
1/2 cup (1 stick) butter
salt (pinch)
3/4 cup coconut flakes
1/2 cup chopped nuts
1 tsp. vanilla

Cook first 6 ingredients until thick, then stir in coconut, nuts and vanilla. Frost cooled cake.