1. Peel the yams and slice them lengthwise.
2. Place the yams in a large pot, cover with water, and bring to a boil.

3. Drain half the water and place the yams and remaining water in a large skillet or pan.

4. Sprinkle with half the nutmeg, cinnamon, and sugar.

5. Bring to a boil and cook for approximately 3 minutes.

6. Add the remaining nutmeg, cinnamon, sugar, and the vanilla extract.

7. Spoon the mixture over all the yams and allow to simmer slowly for 15 minutes until the yams have absorbed all the syrup.

8. Remove from the heat until ready to serve.