A woman splits a bar of Dubai chocolateDon’t get me wrong, I completely understand the appeal of the viral Dubai chocolate bar. Stuffed with pistachio cream and crunchy knafeh (crispy shredded phyllo pastry), the gooey, nutty delight feels like it’s been a social media staple for years now.It looks delicious, and it’s meant to be so unbelievably popular that retailers Waitrose and Lidl have imposed two-per-person limits on their versions of “Dubai-style” bars.So why don’t I know anyone who’s eaten one? I live in pretty central London next to loads of trendy food spots; I’d try the bar if I saw it on any shelves near me, but I haven’t. Am I just too far into my 20s to know anyone cool enough to try the trend? Is the price tag (Lindt’s version will ru