Ajoarriero also spelled Ajo Arriero refers to a Spain's mortar paste made of garlic, red peppers, potatoes, parsley and often served with eggs, vegetables and olive oil of Basque origin. The name appears to derive from the Muleteers called Arrieros in Spanish who may have invented the dish. Most frequently, salt cod is added to the dish and different varities may also contain tomatoes, chillis and paprika and sometimes shellfish is also to the dish. Ajoarriero also means "garlic in style of muletters or mule drivers" Ajoarriero is most famously used in a dish called Bacalao al Ajoarriero, a dish made of salt cod usually with red peppers. Muleteers are persons who drive mules and is called in Spanish Arrieros