A decadent but desirable dessert for two, which is also quick and easy (assuming you've already made the blondies / brownies. Of course you could double, triple or quadruple the recipe to enjoy with family and friends.
Add a couple of sugar curls, if you like, and tuck in.
Whilst the chocolate is melting, place all ingredients into a small pan and slowly bring to the boil, whisking as you go. It will look terribly gloopy to begin with, but will come together if you keep stirring. Add a little more water if the mixture is too thick.
If you can't get hold of salted chocolate, just add a small pinch of sea or rock salt to the water and sugar.