Melt 200 g milk chocolate
Pour a thin layer into a chocolate bar mold
Chill until set
Mix 1 cup kataifi pastry, chopped
Toast the kataifi in 2 tbsp butter until golden
Mix 1/2 cup pistachio cream with the toasted kataifi
Add 2 tbsp tahini
Spread the filling over the set chocolate layer
Melt another 200 g milk chocolate
Pour over the filling to cover completely
Smooth the top
Chill until fully set
Unmold and serve