Start by removing the pits from the dates and place them along with oats, tahini, 5 tablespoons of lukewarm water in the food processor.
2
Blend on full power for about 5 minutes or until the texture is crumbly and when squeezed in your hands it holds together.
3
Line a medium sized casserole dish (anything with an edge) with greaseproof paper and spread the mixture evenly.
4
Pour the melted chocolate on top, spread it evenly and top with crushed pistachios or any other nuts.
5
Cool in fridge for an hour before cutting the bars.
6
Fill a glass with boiling water and dip the knife in there, quickly dry and cut into the bar. The hot knife allows you to cut into the chocolate without it cracking.