1. Gently melt the cacao butter and coconut oil together until liquid.
  2. Stir through the cacao powder and sweetener of choice until completely smooth.
  3. Pour a little of the mixture into the base of your chocolate mould and pop these into the freezer to chill.
  4. Add a dollop of the peanut butter mixture onto each of the chocolates, then cover with rest of the melted chocolate.
  5. Place these into the freezer for a couple of hours to fully set.