Place your chocolate chips in a bowl....
Then allow it melt on top of the hot water...

Or you could allow the hot water boil as you Melt your chocolate chips...

Then immediately pour your chocolate on the chocolate bar mould.

Put it in the freezer for 10 minutes..
Or let it rest for 20-30 minutes until dry..

Remove the chocolates from the mould..

You can enjoy your chocolate bars or decorate your cakes with them.