Kale could be use as a medicinal food source?
Oh really? I did not know that?
Kale was the most common green vegetable in Europe until the end of the Middle Ages.
What is the most common one now?
Kale
Kale () or leaf cabbage is one of certain cultivars of cabbage ("Brassica oleracea") grown for their edible leaves, although some are used as ornamentals. Kale plants have green or purple leaves, and the central leaves do not form a head (as with headed cabbage). Kales are considered to be closer to wild cabbage than most of the many domesticated forms of "Brassica oleracea".
Etymology.
"Kale" originates from Northern Middle English "cale" (compare Scots "kail
"). The strong Portuguese heritage also endowed the city with a taste for bolinhos de bacalhau (fried cod balls), being one of the most common street foods there.
In São Paulo, a typical dish is "virado à paulista", made with rice, "tutu de feijão", sauteed kale, and pork. São Paulo is also the home of pastel, a food consisting of thin pastry envelopes wrapped around assorted fillings, then deep-fried in vegetable oil. It is a common belief that