I'm not sure how "clean" this is, but ...

I just fixed myself a chai hot chocolate, and for fake food it was pretty yummy:

mix 1/2 cup skim milk and 1/2 cup water and heat to boiling, then add a chai tea bag and let brew for at least a minute. Remove the tea bag and stir in an envelope of sugar free fat free hot chocolate (the 25 calorie kind), and voila!