Combine all ingredients in microwave-safe bowl and give a quick whisk. Microwave on high for 3 minutes, stir; microwave a further 2 minutes, stir; microwave a further 2 minutes, for a total of 7 minutes.
Note: A slightly less-fattening variation of this recipe can be made using 1 cup milk and 1 cup water (instead of the 2 cups milk).