Yes, if you have the spondulicks, the cheddar, the dough, you can have a Kit Kat custom made by Nestlé from a carefully curated selection of exotic ingredients.
https://www.theguardian.com/business/2019/sep/23/nestle-kitkat-christmas
Come on Greggs...
https://www.theguardian.com/business/2019/sep/23/nestle-kitkat-christmas
Come on Greggs...