because centuries of eruptions have created mineral-rich soil which grows some of the finest fruits and vegetables in the world. i'm here to visit a restaurant that uses this beautiful local produce to make classic sicilian dishes. it's owner is roberta capizzi. >> hello. [ speaking foreign language ] >> roberta: we can come this way. >> tucci: ok. roberta's chef is making pasta alla norma, a sicilian favorite made with eggplant. it was named after the opera, norma, composed by one of catania's most famous sons, vincenzo bellini. so pasta alla norma is a very famous sicilian dish. and the recipe we're gonna make today is from your family? >> yes. usually it's in summer. >> ok. >> after that, we put some ig