La Cova Fumada ★ 4.7
La Cova Fumada in Barcelona's Barceloneta invented the bomba (a potato fritter with meat and spicy sauce) in 1944. No sign, no menu, cash only, the canonical version.
Try: Bombas (potato fritters)
Tip: Open weekday lunch only; cash only. Order three bombas, anchovies and beer; expect to share a table.