If you don’t have access to it, I have seen some recipes working with toasted and crushed filo pastry and digestive biscuits – but it's not likely to provide you with that crunchy texture you expect In this particular chocolate bar. Using a pistachio butter/paste around a spread is best https://dubaipistachiochocolateba22177.tblogz.com/the-best-side-of-famous-dubai-chocolate-bar-46834291