Place milk in 2-cup glass measuring cup. Microwave on 100 percent power (high) until hot, about 2 minutes 20 seconds. Place hot milk and sugar in a blender container. Cover with a vented lid and blend until frothy, about 1 minute. To serve, divide coffee among 4 cups. Top each with frothy milk. Sprinkle with cinnamon or grated chocolate.
Makes 4 servings.
Nutritional facts: 60 cal., 4 g pro., 9 g carb., 0 g fat, 5 mg chol., 60 mg sodium. Daily value 15% calcium. Fat free skim milk was used for the nutrition analysis of this recipe.