As it was rumoured to be the Poms who introduced the spud, along with many other vegetables, into Europe, it seems unlikely to be anyone else who first cooked them, in any fashion. Although it could have been the Spanish, or Portugese.

Of course, this discounts the efforts of the native South Americans, who grew the things since day one.

Further, to cook a chip properly, it has to be done in animal fat, and that lets most of the Europeans out.

To add further confusion, I live in a country that calls both chips and crisps 'chips.'

To be the first to be recorded as opening a chip shop does not mean that you are the one who invented or introduced fish-n-chips, any more than being the introducer of pasta means that you invented that. (Marco Polo, I understand.)

"Listen, Sir Walter, you stand there, smoking that potato...." Michael Flanders.