1. Combine milk or half & half with 1/2 tsp. vanilla and cinnamon in a sauce pan and heat over lowest heat setting for 5 min. Slowly bring mixture to a boil.
2. In a large bowl combine egg yolks and sugar. Whisk together until fluffy. Whisk hot milk slowly into the eggs. Pour mixture into saucepan. Cook over medium heart stirring constantly for 3 min. or until thick. Do not allow mixture to boil. Strain to remove cloves and let cool for at least 1 hour.
3. Stir in rum, cream, 2 tsp. vanilla and nutmeg. Refrigerate overnight.