Butter more tasty than eels? You're having a blinking laugh.
Tastes better perhaps, but more tasty? - not a chance. Eels are grim, but distinctively grim and strong. And you haven't tasted my Lambeth Walk either. And I'm not even a cocker-nee...
The point is that London takes in the best food from around the world. Jerk and escoveitch seasonings from the Windies, Oyster sauce from the Orient, Kielbasa and other Polish specialities of late. And so on - the world's finest produce and favourite home-cooking comes here and is assimilated and celebrated where appropriate.
Think a flat-capped Northerner bringing some butter in a common-old potato pie is going to shock the capital of Blighty. Not a bleeding chance...