Even though the cardoon is one of the most famous winter vegetables, the red one is not that well-known. It is appreciated for its high nutritional value. The cardoon is normally eaten cooked, but the red variety is cultivated in a different way and therefore it can be eaten raw in salads. When the cardoon sizes a specific height, it is totally covered by earth one or two months before consumption. This way the earth provides the cardoon with numerous nutrients and a characteristic flavour.