All helpful things to know. I myself am trying not to repeat themes.
So, by including Marmalade in Oxford them I free up a Scottish slot.
There seems to be a lot of regional variation on similar themes, -in Wiltshire we have Bacon fraize which is like Toad in the hole with bacon instead of sausages.
And the Scottish Rumbledethumps is a variant on Bubble and squeak, (A dish to use up leftovers from Sunday dinner)
(Why they cant simply cook enough for everyone like Dad does I do not know)
I may use Bristol as a Bucket category, -I can put in traditional dishes I havent otherwise found homes for.
Caribbean recipes sound a good idea but that might have to be used (respectfully, though GB versions of foreign foods are not beyond possibilities, -even as far back as Chaucers time we imported several variants of curry powder into the country) in a different way, seeing as our Afro-Caribbean society are across the road (and these days the Afro-Caribbean shop) Our area is certainly diverse (and poor)