Xato is a Catalan winter salad from the Sitges coast: salt cod, anchovies, tuna and olives on lettuce, dressed with a thick romesco-style xato sauce made from peppers and almonds.

Xato originated in the Sitges and Vilanova fishing villages southwest of Barcelona in the 17th century, when winter salt cod was the dock-worker staple and the local nyora peppers, almonds and hazelnuts made up a rust-coloured sauce called xato (or 'chato'). The sauce is a romesco cousin: nyora pepper pulp, toasted almonds and hazelnuts, garlic, bread, oil and vinegar, blitzed to a thick paste. The xatonada tradition is the post-Christmas weekend xato lunch served from January to March at Vilanova, Sitges, Vilafranca and El Vendrell. Barcelona's Casa Amalia and 7 Portes both run a version through winter.

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