Pour milk into a 2-cup measuring cup. Cook 3 1/2 to 4 1/2 minutes, at power level 6, or until almost boiling. Beat eggs slightly in a small mixing bowl. Add remaining ingredients, except nutmeg. Slowly stir milk into egg mixture. Pour custard mixture into buttered 6 ounce custard cups. Place cups in microwave oven; cook uncovered, 7 to 8 minutes at power level 4, or until set. Remove cups and sprinkle with nutmeg. Set on rack to cool.