Whisk together all the ingredients for the filling except the chopped chocolate, in a medium saucepan. Put on medium heat whisking occasionally until it comes to a simmer.
Once it simmers, remove from heat and pour into an 8x8 with parchment paper.
Put in the freezer for 30 minutes to cool then remove, and drop the chopped chocolate in.
Place back into the freezer for the remainder of the 4 hours.
After the 4 hours, remove from the freezer and cut into 9 squares. You may have to let them soften a little bit to cut.
Melt the chocolate and coconut oil in the microwave.
Dip the bars and put them back into the freezer to harden the chocolate. These have the best texture if you eat shortly after dipping and letting the shell harden a bit. They last for several weeks in the freezer!!