Savoy cabbage has a mild and sweet taste and is available year round. The leaves are a crinkled green colour. Pick your cabbage when the centre of the cabbage should be solid and firm. Savoy cabbage is thought to have originated from the Savoy region, which borders Italy, France and Switzerland. As inexpensive as cabbage is, it is one of the richest when it comes to protective vitamins. Hailed as a cancer inhibitor, particularly colon cancer. Cabbage also stimulates the immune system, kills harmful bacteria, soothes ulcers, and improves circulation.