Roughly break up the biscuits with your hands into bite-sized pieces and put in a bowl with the sultanas
Melt all the next section ingredients together in a v low heat then mix in the biscuit mix
Press into a square or rectangular dish and really press down so it compacts then chuck in the fridge until cool and hardened (about 40 mins)
Melt the chocolate and coconut oil and pour over the top then set in fridge if you can wait that long
