(Mexican) Known as the 'prickly pear' cactus in America, this cactus is cleaned of spines, diced and used in many Mexican dishes. The cactus leaf looks like a large green paddle with spines. The fruit of the cactus called tuna can also be eaten. The cactus is usually boiled or grilled. Cooked cactus can be added to soups, stews, scrambled with ...