Portuguese cuisine varies widely by region but is known for its use of seafood, especially dried salted cod. Some iconic Portuguese dishes include bacalhau (dried salted cod), arroz de marisco (seafood rice), cozido à portuguesa (meat and vegetable stew), tripas à moda do Porto (tripe stew), and pastéis de nata (custard tarts). The document provides examples of traditional dishes from each of Portugal's regions, showing the diversity of Portuguese food from north to south.