I had a belter the size of a bin lid this morning from a socially distanced market-stall baker.
I’d opine that you absolutely cannot get an acceptable supermarket pain au raisin. They are almost invariably soggy and have none of that croquante outer texture with just the right amount of yielding the really good ones have. Again, the Kings Cross market boys have some mouthwatering examples.
For conniption potential, sprinkle chopped pistachio on the top.