Green Onions Romesco Calçots

Succulent, tender calçots (pronounced CAL-sots) are Catalan green onions—and what onions. The sweet, fleshy shoots are buried with earth as they grow (much like Belgian endives) to keep them pale and delicately flavored. The calçots are charred over burning vine trimmings, then wrapped in newspaper to steam and finish cooking. Every January, when calçots are harvested, huge calçadas (onion feasts) take place throughout Catalonia. Traditionally, the onions are dip