Which Basque dish, meaning 'codfish' in Spanish, is made with salt cod in a pil-pil sauce emulsified from the fish's own gelatin and olive oil?

• A Marmitako
• B Bacalao al pil pil ✓
• C Merluza a la vasca
• D Txangurro

Bacalao al pil pil is a classic Basque preparation where the fisherman's salt cod meets a silky sauce achieved by gently swirling the cooking oil with the fish's natural gelatine.