Mix it with 5 spoons of chocolate powder and one spoon of butter (or margarine); stir it together, then put it on the microwave for 4 minutes on max temperature. take it out, stir it all again to let the hot air out and put it back on the microwave for another 2 or 3 minutes.
The numbers may need to be tweaked for specific brands of ingredients but that's the general baseline and even if you get it all wrong it'll still be generally good.