Sweet potato patatas bravas

A variant on the Spanish classic whose origins and the classic recipe for the sauce are often debated. The sauce (salsa brava) is red, but whether this originally comes from a base of tomato or peppers is unclear. So here you have all the freedom to make your own tasty red sauce, with, for example, paprika and/or tomato, onion, garlic, olive oil, vinegar, salt and cayenne pepper.