Romanesco Cauliflower is a popular Italian heirloom apple-green heads that have and excellent flavor. It is somewhere between a broccoli and cauliflower, with 5"-6" heads. Cooked, Romanesco has a delicious nutty flavor and a texture similar to cauliflower. A favorite culinary chefs delight! Romanesco is widely grown in Northern Italy. Romanesco is also known as Roman Cauliflower.