I would advise stay clear of incorporating the milk. Butter will help toast the pastry. I haven’t experimented with using white chocolate but I do use slightly tahini paste and it's beautifully fantastic. Hope this allows xx They're simply just yummy with the best amount of chocolate to filling ratio. https://dubaichocolatebarnearme37147.activablog.com/34373885/5-easy-facts-about-how-to-make-dubai-chocolate-bar-described