Recipe video above. Spaghetti alla Puttanesca is a traditional Italian pasta from Naples with a sauce based on pantry essentials. This plants it firmly in the (excellent) emergency-meals collection!You don't need much salt in Puttanesca sauce because the olives, capers and anchovies provide the seasoning. Don't skip the anchovies - sauteeing it cooks out the fishy flavour and it just dissolves in the sauce, leaving behind savoury flavour you can't get from just plain salt. You'd have to have…