Google any Portuguese kale soup recipe, or the ones above. Having just returned from Lisbon I tasted a few and can report they are usually quite bland. Spice it up with red pepper flakes and some shallot. Best to listen to "fado" music while cooking and eating. Portuguese or Spanish chorizo is a must.
Despite being from Food Network's Rachel Ray, I have found this soup to be absolutely delicious: http://www.foodnetwork.com/recipes/rachael-ray/portuguese-chourico-and-kale-soup-recipe/index.html
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