Peel and cut yams into chunks. Place in saucepan with water, cover and bring to boil. Boil for 15-20 minutes

Heat heavy skillet. Put washed and patted dry salmon skin down on skillet. Top with butter. Cook undisturbed for 10-15 minutes.

Heat oil in pan and waite spinach for about 2 minutes.

Drain and mash yams with sugar and cinnamon.

Serve with mashed yams on bottom topped with spinach and the salmon (remove skin prior to serving)