Fish and chips? Spain's Jews are the origin

 

[Illustration: Leonardo Berbesi]

"The history of the dish begins with the persecution of the Jews in the Iberian Peninsula, during the 16th century.

Many of them ended up in England, taking the fried fish with them. It was a Sephardic dish that they used to eat on Fridays.

The secret was the use of oil, which sealed the flavours, made the flour crispy and the fish very tasty.

To those islanders accustomed to lard, frying in oil seemed revolutionary…’ Later we read: ‘…A Jewish fishmonger who emigrated from Eastern Europe, named Joseph Malin, was the first to come up with the idea, in 1860, of putting fried fish and potatoes together in his store in [London's] East End…"

Found at BoT but original source is here.