Líder, located on the ground floor of a block of bland apartments outside Porto’s historical center, may not look like much, but it’s emerged as a go-to for what is arguably the city’s most emblematic food item. Tripas à moda do Porto, Porto-style tripe, is so synonymous with the local cuisine that the people of Porto call themselves Tripeiros, “Tripe Eaters.” It’s said that they have been fond of eating the lining of the cow’s stomach since the 14th century, when a battle meant this was the only protein available….
