Patatas a la riojana, rioja-style potatoes cooked in a sweet paprika pimentón stew with delicious chunks of Spanish chorizo and caramelized onions. Serve it with a collection of tapas or as a hearty lunch or dinner. What are patatas a la riojana? Patatas a la Riojana is a delicious potato, chorizo and caramelized onions simmered…