Marie Bain or into a pot over another pot of boiling water, add sugar, cocoa, butter and milk. Stir and cook until sugar is dissolved for a thick texture. Remove and cook down a bit. Add in peanuts and coconut. Mix all together for thick dough. Tightly roll and wrap with glad wrap. Leave it in the fridge for at least 3 hours. After that, cut into slices. (Depending on whether you like the cookie or thick brownie version) Place on greased baking tray. Bake at 170C for 30 mins or for a texture you prefer. Bring out, cool down and store them. Optional - dust some icing sugar on top.