On Fri, 04 Jun 2021 18:31:29 +0100, charles
wrote:

snip

but, the ingredients needed to be brought in from far away.

Yup, in the case of fish, often from abroad (in the EU) where they
still have migrant workers willing to process the fish and where our
fisherman can land them without huge quantities of paperwork.

Cheers, T i m