SpuriousZabaione said:
Was going to make a joke that the plain glazed is the better choice because the chocolate glazed one will have 20% VAT added to it but apparently that odd UK tax only applies to "Gingerbread men decorated with chocolate unless this amounts to no more than a couple of dots for eyes"

https://www.gov.uk/guidance/food-products-and-vat-notice-70114

Huh, interesting