I would advise stay clear of incorporating the milk. Butter may help toast the pastry. I haven’t experimented with using white chocolate but I do use a bit tahini paste and it's beautifully high-quality. Hope this will help xx We then melt the milk and dim chocolate from the microwave https://daltonfkboo.fitnell.com/74159999/5-easy-facts-about-pistachio-knafeh-chocolate-bar-described