Calçots are a type of green onion that is native to Catalonia, including Tarragona. They are typically grilled over an open flame until charred and then served with a romesco sauce. Calçots are a popular winter delicacy and are often enjoyed at traditional Catalan festivals called 'calçotades.' The sweet and smoky flavor of calçots, combined with the tangy romesco sauce, makes them a delicious and unique food to try in Tarragona.
