Line a 1 pound loaf tin with parchment paper, or a similar sized lunchbox will work too.
Make the CARAMEL: Add all the ingredients to a powerful blender. Blend until smooth. Take out ¾ of the caramel and put it in a bowl set it aside until later.
Make the BASE: to the blender with The remaining ¼ of the caramel add the oats, cocoa powder or collagen powder, coconut oil and boiling water. Blend until combined.
Spoon the base mix into the loaf tin, smooth with a spoon or spatula. Top with the reserved caramel and smooth. Put this in the fridge for 20mins to set.
Melt the chocolate and coconut oil together. Pour over the top and tilt the tin to cover, sprinkle with sea salt. Chill for 30 minutes. Slice into bars and enjoy.
